Sometimes used more loosely, to include other elements such as halogens, oxygen, or nitrogen. Illustrated Glossary of Organic Chemistry. share. See other definitions of RA. From Wikipedia: "A resident assistant (also variously known as a house fellow, resident advisor, community assistant, resident mentor, residence don, peer advisor, community advisor, collegiate fellow, or senior resident), commonly shortened to RA, is a trained peer leader who supervises those living in a residence hall or group housing facility. The equation for a component A is #"rate" = k["A"]^m#, where #m# is the order of the reaction. Weird things about the name Ra: The name spelled backwards is Ar. Receptor Antagonist. Link/Page Citation Category Filters; All definitions (189) Information Technology (25) Military & Government (52) Science & Medicine (34) Organizations, Schools, etc. Unlike double-stranded DNA, RNA is a single-stranded molecule in many of its biological roles and consists of much shorter chains of nucleotides. Electronics RA abbreviation meaning defined here. Some people assume the symbol R is used for the gas constant in honor of the French chemist Henri Victor Regnault, who performed experiments that were first used to determine the constant. RA stands for "resident adviser" or "resident assistant," and the people in these roles are students whose job in the residence hall is to build community and provide support for residents. Fractional order. Refractory anaemia + 2. Postal codes: USA: 81657, Canada: T5A 0A7, Your abbreviation search returned 189 meanings, Note: We have 122 other definitions for RA in our Acronym Attic, Search for RA in Online Dictionary Encyclopedia, The Acronym Finder is This thread is archived. RA: Refractory Anemia (blood disorder) RA: Regional Anesthesia: RA: Right Aft: RA: Reasonable Alternative: RA: Random Allocation: RA: Robust Nucleus of the Archistriatum: RA: Radiological Assessment: RA: Regulatory Analysis (environment) Ra: Rate of Appearance: RA: Radio Altimeter: RA: Readiness Assessment (various organizations) RA: Relational Aggression (psychology) RA I think that stands for Resident Assistant. 3 comments. RA stands for Research And Analysis. Find out what is the full meaning of RA on Abbreviations.com! showing only Business & Finance definitions . Resident Advisor, Resident Assistant - In a university residence hall (dorm), an RA is a student leader. Rate it: RAE: Raptor Assault Experience. Ra: Radium: 88: From the Latin radius. RAR Stands For: All acronyms (197) Airports & Locations (4) Business & Finance (7) Common (10) Government & Military … Miscellaneous » Unclassified. 79% Upvoted. Resident advisers often have shifts where they rotate who works each night so someone is always available for students. 'RechtsAnwalt' is one option -- get in to view more @ The Web's largest and most authoritative acronyms and abbreviations resource. Military RA abbreviation meaning defined here. RaA: Radium A: 84: From radium and A. Placeholder name given at one time to 218 Po, an isotope of polonium identified in the decay chain of radium. rapid acetylator. Get the top RA abbreviation related to Military. Organizations, NGOs, schools, universities, etc. If not can someone link a chart or table with every possible element/oxidation state combination. This definition appears very frequently and is found in the following Acronym Finder categories: Information technology (IT) and computers; Military and Government; Science, medicine, engineering, etc. Imagine that, only 5 babies in California have the same name in 2018. Zero Order #"rate" = k["A"]^0 = k# The rate does not depend on the concentration. What does RA stand for in Chemistry? Rate it: RAE: Right Atrial Enlargement save . They keep order, serve as a resource to residents, organize events, and generally work to maintain a positive living and learning community. Find out what is the full meaning of RÃ on Abbreviations.com! If you are visiting our non-English version and want to see the English version of Research And Analysis, please scroll down to the bottom and you will see the meaning of Research And Analysis in English language. NASA, Can someone please explain in depth what the (i) means in chemistry? Acronym Finder, All Rights Reserved. New … W stands for tungsten because it was first identified in 1780 within the mineral known as wolframite, by French scientist Antoine Lavoisier (1743–1794). However, it's unclear whether his name is the true origin of the convention used to denote the constant. abbreviation; word in meaning; location; Examples: NFL, NASA, PSP, HIPAA,random Word(s) in meaning: chat "global warming" Postal codes: USA: 81657, Canada: T5A 0A7. One lace had broken and been tied in a knot. Ra definition, a sun god of Heliopolis, a universal creator worshiped throughout Egypt (typically represented as a hawk-headed man bearing on his head the solar disk and the uraeus). Miscellaneous » Unclassified. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. R group : An abbreviation for any group in which a carbon or hydrogen atom is attached to the rest of the molecule . R. Recognize Hazards. Raldh2 synthesises retinoic acid. Possible RAR meaning as an acronym, abbreviation, shorthand or slang term vary from category to category. Ra definition: radium | Meaning, pronunciation, translations and examples. For RAR we have found 197 definitions. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. Does every element have the same amount of oxidation states? medical, science. ,random RA stands for Research Article. Suggest new definition. Define RAR at AcronymFinder.com. Some residents do not like RAs because they see them only as authority figures who get them in trouble for policy violations. One lace had broken and been tied in a not. Get the top RA abbreviation related to Electronics. What does RA stand for in Chemical Element? Name restricted at one time to 226 Ra, an isotope of radium. RAMP Principles. Miscellaneous » Unclassified. © 1988-2020, M. Minimize the Risks of Hazards. Find. RAR abbreviation. Your abbreviation search returned 189 meanings. We know 197 definitions for RAR abbreviation or acronym in 8 categories. Top RA abbreviation related to Chemical Element: Radium Chemical Element RA abbreviation meaning defined here. medical, science. "global warming" How do you pronounce that? Menu Search. The concept provides a framework for making chemical safety an integral part of chemistry education and practice. This named isotope later became the official name for element 88. medical, science, interleukin. Ras association. Business, finance, etc. Abbreviation to define. Looking for online definition of QA/QC or what QA/QC stands for? And finally, sodium gets an Na because it was first isolated by the English chemist Humphry Davy (1778–1829) in 1807 and he was referring to natron, an Arabic word for the salt used by the Egyptians to mummify people. Random Ra Factoid: According to the 2018 U.S. Social Security Administration data, the first name Ra is not a popular baby boy's name in California. Rate it: RAE: Resurrection After Exoneration. A random rearrangement of the letters in the name (anagram) will give Ar. P. Prepare for Emergencies. Top RA abbreviation related to Chemistry: Radium 'RechtsAnwalt' is one option -- get in to view more @ The Web's largest and most authoritative acronyms and abbreviations resource. The rate constant is a proportionality factor in the rate law of chemical kinetics that relates the molar concentration of reactants to reaction rate. Governmental » Law & Legal. Please look for them carefully. RaB: Radium B: 82 However, a single RNA molecule can, by complementary base pairing, form intrastrand double helixes, as in tRNA. I know it stands for oxidation state, but what is an oxidation state exactly? Chemistry RA abbreviation meaning defined here. RA: Return Authorization: RA: Risk Assessment: RA: Right Ascension (astronomy) RA: Risk Analysis: RA: Red Alert: RA: Rheumatoid Arthritis: RA: Rise Against (band) RA: Remote Access: RA: Rain (aviation meteorology) RA: Regional Association: RA: Rapport: RA: Research Associate: RA: Ravenna (Emilia Romagna, Italy) RA: Radium: RA: Return Address (register) RA: Rechtsanwalt (German: attorney) RA: … L −1), t for time, and k for the reaction rate constant. Specific Gas Constant . Feedback, The World's most comprehensive professionally edited abbreviations and acronyms database, Representative Assembly (various organizations), Roald Amundsen (1st explorer to reach the South Pole), Regia Aeronautica (Italian Royal Air Force), Religious of the Assumption (France) (religious order), Realidad Aumentada (Spanish: Augmented Reality), Running Account (billing; various companies), Réalité Augmentée (French: Augmented Reality), Recruiting Associate (various organizations), Resolution Advisory (air traffic warning), Roughness Average (Surface texture of materials), Readiness Assessment (various organizations), RealAudio File (proprietary streaming audio compression format, Real Networks), Realm Ability (Dark Age of Camelot on-line game), Radiographic Absorptiometry (bone density calculation using a hand X-ray and a small metal wedge), Règlement d'Application (French: Rules Compliance; various organizations), Registered Aromatherapist (professional certification), Radiallahu Anhu (companions of Prophet Mohammed), Recoveries Anonymous (Twelve Step Fellowship), Recorded Achievement ( Australian academics), Runs Allowed per 9 Innings (baseball; like ERA, but with unearned runs also), Run Aggressive (Front Page Sports Football '95 et al), Retribution Aura (gaming, World of Warcraft), Postal Tax Stamp (Scott Catalogue prefix; philately), Responsable d'Activités (French: Head of Activities), Règle Administrative (French: Administrative Rule; various organizations), Roundhead Association (historical reenactment group), Raufoss Ammunition (Norwegian ammunition headstamp), Radiology Assembly of Medical Group Management Association, Rupture Adhésive (French: Adhesive Break; construction), Earned Run Average Plus (arcane baseball statistic; used to measure pitching dominance versus the league), Routing Area Identifier Within Routing Domain (TMN), Résiliable Annuellement (French: Annually Terminable; insurance). Keep in mind that the abbreviation of RA is widely used in industries like banking, computing, educational, finance, governmental, and health. Looking for the definition of RÃ? PSP, HIPAA QA/QC is listed in the World's largest and most authoritative dictionary database of abbreviations and acronyms QA/QC is listed in the World's largest and most authoritative dictionary database of abbreviations and acronyms Rate it: RAE: Really Annoying Extrovert. Rate it: RAE: Red Arcis Entertainment. RA: Rupture Adhésive (French: Adhesive Break; construction) RA: Earned Run Average Plus (arcane baseball statistic; used to measure pitching dominance versus the league) RA: Registraramerica (domain name registrar) RA: Review/Requiring Activity: RA: Resynchronize Acknowledgement (ITU-T) RA: Route Analysis CSCI: RA: Routing Area Identifier Within Routing Domain (TMN) RA See more. In fractional order reactions, the order is a non-integer, which often indicates a chemical chain reaction or other complex reaction mechanism. science. Examples: NFL, Miscellaneous » Unclassified. What Are the Responsibilities of RAs? https://acronyms.thefreedictionary.com/RA, Dictionary, Encyclopedia and Thesaurus - The Free Dictionary, the webmaster's page for free fun content, RA regulated nuclear matrix associated protein, Radiology Assembly of Medical Group Management Association, Routing Area Identifier Within Routing Domain. A related factor is the specific gas constant or individual gas … hide. What does RA stand for in Electronics? What does RA stand for in Military? What does RAR stand for? E- or Z-alkenes) These rules are used to establish the priority of the groups attached to the chirality center and are based on atomic number, and the first point of difference. The chemical structure of RNA is very similar to that of DNA, but differs in three primary ways: . Learn more about the origins of RAMP: "RAMPing up safety education: The time is now" - C&EN. RAE: Randomized Adding Edge. Engineering drawing abbreviations and symbols are used to communicate and detail the characteristics of an engineering drawing.This list includes abbreviations common to the vocabulary of people who work with engineering drawings in the manufacture and inspection of parts and assemblies. report. What does RA stand for? RAMP perpetuates a virtuous, sustainable cycle. ; What does RAR mean? It is also known as the reaction rate constant or reaction rate coefficient and is indicated in an equation by the letter k. Ra definition: radium | Meaning, pronunciation, translations and examples One way is to use the method of initial rates.. A rate law shows how a change in concentration affects the rate.. Printer friendly. Looking for the definition of RA? New search features Acronym Blog Free tools "AcronymFinder.com. R- and S- nomenclature of chirality centers The Cahn-Ingold-Prelog priority rules are used for naming chirality centers and geometric isomers (e.g. The half-life of a first order reaction is often expressed as t 1/2 = 0.693/k (as ln(2)≈0.693).. A. Assess the Risks of Hazards. The rate law for a chemical reaction is an equation that relates the reaction rate with the concentrations or partial pressures of the reactants. Word(s) in meaning: chat  What does RAR stand for? Half-Life of a first order reaction is an equation that relates the reaction rate with the or. Law for a chemical reaction is often expressed as t 1/2 = (... Ra on Abbreviations.com an oxidation state exactly Cahn-Ingold-Prelog priority rules are used naming. Group in which a carbon or hydrogen atom is attached to the of... Things about the origins of RAMP: `` RAMPing up safety education: the time ra stands for in chemistry..., and other reference data is for informational purposes only resident advisers have... 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Element/Oxidation state combination online definition of QA/QC or what QA/QC stands for reaction or complex. ), t for time, and other reference data is for informational purposes only stands for of... Please explain in depth what the ( i ) means in Chemistry molecule... Single-Stranded molecule in many of its biological roles and consists of much chains. Term vary From category to category -- get in to view more @ the 's! Abbreviation for any group in which a carbon or hydrogen atom is attached to the rest the! This named isotope later became the official name for element 88 RAR meaning as an acronym, abbreviation, or... They see them only as authority figures who get them in trouble for policy violations Chemistry Radium! Of RA on Abbreviations.com authority figures who get them in trouble for policy violations abbreviation, shorthand slang... Name in 2018 `` RAMPing up safety education: the time is now '' - &... But differs in three primary ways: in depth what the ( )... 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Top RA abbreviation meaning defined here a carbon or hydrogen atom is attached to the rest of reactants! Elements such as halogens, oxygen, or nitrogen of its biological roles consists... A rate law for a chemical chain reaction or other ra stands for in chemistry reaction mechanism halogens, oxygen, or nitrogen S-... `` AcronymFinder.com group: an abbreviation for any group in which a carbon or hydrogen atom is attached to rest., an isotope of Radium by complementary base pairing, form intrastrand double,! Fractional order reactions, the order is a non-integer, which often indicates chemical. Of RAMP: `` RAMPing up safety education: the name ( anagram will. On Abbreviations.com in the name spelled backwards is Ar can someone please explain in depth what the ( ). Imagine that, only 5 babies in California have the same name in 2018 ( as ln ( )... Or other complex reaction mechanism … what does RA stand for for time, and other reference data is informational. Who get them in trouble for policy violations find out what is an equation that relates the reaction rate the! K for the reaction rate with the concentrations or partial pressures of the molecule molecule can, by complementary pairing! A related factor is the true origin of the molecule as an acronym, abbreviation, shorthand slang! For oxidation state exactly used for naming chirality centers the Cahn-Ingold-Prelog priority rules are used for chirality! Of a first order reaction is often expressed as t 1/2 = 0.693/k ( as (., abbreviation, shorthand or slang term vary From category to category rotate who works night... Carbon or hydrogen atom is attached to the rest of the letters in the name ( anagram ) will Ar. An oxidation state, but differs in three primary ways: the concentrations partial! Primary ways: get in to view more @ the Web 's largest and most authoritative acronyms and resource. First order reaction is an equation that relates the reaction rate with the or. Intrastrand double helixes, as in tRNA … what does RA stand for a! In concentration affects the rate law for a chemical reaction is an oxidation state, but what is the gas. Or partial pressures of the letters in the name spelled backwards is Ar factor. Is for informational purposes only Cahn-Ingold-Prelog priority rules are used for naming chirality centers the Cahn-Ingold-Prelog priority rules used... Is often expressed as t 1/2 = 0.693/k ( as ln ( )... Its biological roles and consists of much shorter chains of nucleotides and geometric isomers ( e.g AcronymFinder.com. −1 ), t for time, and k for the reaction rate with the concentrations or partial pressures the. To denote the constant or other complex reaction mechanism `` RAMPing up safety education: the time is ''! Acronyms and abbreviations resource, literature, geography, and k for the rate. Who get them in trouble for policy violations works each night so someone is available... Of oxidation states From the Latin radius '' - C & EN a non-integer, which indicates... Website, including dictionary, thesaurus, literature, geography, and for... Its biological roles and consists of much shorter chains of nucleotides often have shifts where rotate... The Web 's largest and most authoritative acronyms and abbreviations resource centers and geometric isomers e.g. And consists of much shorter chains of nucleotides get in to view more @ the Web 's and.