Vocabulary drill and practice is the best way to master these complex science terms. receptor /rə-SEPT-er/ A protein, either embedded in the plasma membrane (cell-surface receptor) or present the cytoplasm of a cell, to which one or more specific types of molecules can attach. There are 62 three-letter words beginning with R RAD RAG RAH RAI RAJ RAM RAN RAP RAS RAT RAW RAX RAY REB REC RED REE REF REG REH REI REM REN REO REP RES RET REV REW REX REZ RHO RHY RIA RIB RID RIF RIG RIM RIN RIP RIT RIZ ROB ROC ROD ROE ROK ROM ROO ROT ROW RUB RUC RUD RUE RUG RUM RUN RUT RYA RYE YBCO - Yttrium Barium Copper Oxide, a high temperature superconductor. rare-cutter enzyme See: restriction site. In the following section will be a list of emotions, interesting, events, and famous people. EnchantedLearning.com is a user-supported site. radical /RAD-ə-kəl/ A group of atoms viewed as a single unit, that can pass unchanged from one molecule to another, but that are not stable as independent entities. rhodoplast /RŌD-ə-plast/ The plastid giving red algae its characteristic color. Welcome to the Online Science Dictionary. PICTURE. reciprocal cross n. A hybrid cross occurring between the same two types of organisms, but with the sexes of the parents reversed. Aa flows commonly develop from pahoehoe flows as they cool and lose gas. It is a comprehensive database of the glossary of scientific terms and definitions. Ranidae /RAN-ee-dÄ«, RAN-ee-dee/ The anuran family comprised of the true frogs (smooth, moist-skinned frogs, with extensively webbed feet, and strong hindlegs). A measured quantity of this radiolabeled antigen and a known amount of antibody to that antigen are then mixed, and the two bind together. rhabdomyosarcoma (RMS) /RAB-doe-MY-ō-sark-Ō-mə/ A sarcoma arising from rhabdomyoblasts. The proportion of antibody bound to unlabeled antigen can then be determined. Science: Chemistry, Physics, Geology www.myvocabulary.com offers more than 680 word lists . Emotions that start with R. Rage: a feeling of intense anger. Subsequently, in a separate assay, a serum sample containing an unknown concentration of the same antigen (not radiolabeled) is added. View word search examples. MORE INFORMATION. aluminum. Or use our Unscramble word solver to find your best possible play! For example, it allows exact measurement of tiny amounts of a hormone, such as insulin. Words that Begin with the Letter R: Activity Sheet: Say the name of each picture out loud and listen for the Rr sound. The radicle is usually the first structure to emerge during germination. recessive allele /ə-LEEL/ In a diploid organism, an allele manifested only when two copies of it are present at a locus. The 4 Main Steps to Create Word Clouds. To succeed, students must gain a foundational understanding of the many complex science words used in the eighth grade science curriculum. ribose /RĪ-bōs, -bōz/ The five-carbon monosaccharide component of RNA; occurs primarily as D-ribose. MOLECULAR STRUCTURE. List of 493 words that are 10 letters and start with r. Add length, consonants, vowels, syllables, origin, spelling and more. Are you looking for verbs that start with r (r verbs)?Then, the following list of over over 955 verbs is for you. In the following section, I show you 4 simple steps to follow if you want to generate a word cloud with R.. She has taught science courses at the high school, college, and graduate levels. antibiotic. A Aa: Hawaiian term used to describe a lava flow whose surface is broken into rough angular fragments. Start With R and End In S. Starting with r or prefix "r", and ending with s. List of 422 words that start with r and end in s. Add length, consonants, vowels, syllables, … The following article has a glossary list that will help you understand these difficult scientific terms and definitions at a glance.Just read on the following glossary to get a quick idea about some interesting terms. Rats transmit a wide variety of diseases to human beings. MORE INFORMATION, ruminate /ROOM-ə-nate/ To digest with a multi-chambered stomach and by chewing cud. List of Positive Words that Start with R. So, what are you waiting for? retrovirus /REH-trō-VÄ«R-əs/ An RNA virus that uses reverse transcriptase to create a DNA copy of itself. radiograph /RĀD-ee-ō-graf/ An image made on photographic film by ionizing radiation, for example an x-ray image of some portion of a patient's body. random genetic drift Term used to refer to changes, from one generation to the next, in the population frequency of an allele or trait due to random deviation from the population frequencies expected on the basis of preexisting frequencies. amoeba. A List or collection of the words or phrases of a language, technical field, etc., usually arranged in alphabetical order and defined 3. Absolute Date: An estimate of the true age of a mineral or rock based on the rate of decay of radioactive minerals. https://www.thoughtco.com/chemistry-abbreviations-starting-with-the-letter-r-603468 (accessed January 23, 2021). See also: rRNA. recombinant DNA technology In vitro techniques for combining DNA segments from distinct sources into a single DNA molecule. RFLP See: restriction fragment length polymorphism. resistance /rə-ZIST-əns/ An enhanced ability to survive exposure to, or avoid the adverse effects of, a toxic substance or pathogenic organism — resistant /rə-ZIST-ənt/. Words starting with R for Words with Friends and Scrabble from WordFinder. For your convenience the terms are sorted alphabetically. Me and my friend have to do this thing for science and I have mine but she needs her's. Her name starts with a K and we need a list of scientific names that start with K. Anything will do that has to do with science! A- adaptation- a form or structure modified to fit a changed environment. ramet /RĀ-mət/ An individual member of a clonal line of individuals. reticulum /rə-TICK-yə-ləm/ The second stomach chamber of a ruminant. ! Such deviations can be quite large in small populations. For example, the human reproductive cycle involves two forms, a haploid gamete alternating with a diploid organism. Science Dictionary. Browse our Scrabble Word Finder, Words With Friends cheat dictionary, and WordHub word solver to find words starting with ur. RNA virus A virus composed of RNA, not DNA. It's due tomorrow! Until recently, once symptoms set in, this disease had no cure. anthrax. regurgitation /rə-ger-jə-TĀ-shən/ (1) The return of stomach contents to the mouth; (2) passage of blood back through a heart valve. Ringer's solution (also Ringer solution) A solution containing calcium, potassium, and sodium chlorides; used in hospitals to alleviate dehydration and improve circulation, and in laboratories, to maintain cells and organs alive in vitro. This collection offers common abbreviations and acronyms beginning with the letter R used in chemistry and chemical engineering.°R - degrees RankineR - Arginine amino acidR - Chiral center for R/S systemR - functional group or side chain of atoms variableR - ResistanceR - Ideal Gas ConstantR - ReactiveR - ReduxR - Röntgen unitR - Rydberg ConstantR-# - Refrigerant numberRa - RadiumRA - Retinoic AcidRACHEL - Remote Acess Chemical Hazards Electronic Libraryrad - radianrad - Radiation - Absorbed DoseRad - RadioactiveRb - RubidiumRBA - Rutherford Backscattering AnalysisRBD - Refined, Bleached and DeodorizedRCS - Reactive Chemical SpeciesRDA - Recommended Daily AllowanceRDT - Recombinant DNA TechnologyRDX - cyclotrimethylenetrinitramineRDX - Research Department ExplosiveRE - Rare EarthRe - RheniumREACH - Registration, Evaluation, Authorization and restriction of Chemical substancesREE - Rare Earth ElementRef - Referencerem - Radiation Equivalent - ManREM - Rare Earth MetalREQ - RequiredRER - Respiratory Exchange RatioRF - Radio FrequencyRF - Resonance FrequencyRf - RutherfordiumRFIC - Reagent-Free Ion ChromatographyRFM - Relative Formula MassRG - Rare GasRg - RoentgeniumRH - Relative HumidityRh - RhodiumRH - Rydberg Constant for HydrogenRHE - Reversible Hydrogen ElectrodeRHIC - Relativistic Heavy Ion ColliderRHS - Right Hand SideRI - Radical InitiatorRIO - Red IronOxideRL - Reaction LevelRMM - Relative Molar MassRMS - Root Mean SquareRn - RadonRNA - RiboNucleic AcidRNS - Reactive Nitrogen SpeciesRO - Red OxideRO - Reverse OsmosisROHS - Restriction Of Hazardous SubstancesROS - Reactive Oxygen SpeciesROWPU - Reverse Osmosis Water Purification UnitRPM - Revolutions Per MinuteRPT - RepeatRSC - Royal Society of ChemistryRT - Reverse TranscriptaseRT - Room TemperatureRT - Energy (Rydberg Constant x Temperature)RTP - Room Temperature and PressureRTM - Read The ManualRTSC - Room Temperature Super ConductorRu - Ruthenium. radioulnar /RĀD-ee-ō-ƏL-ner/ Pertaining to the radius and the ulna. The radicle is usually the first structure to emerge during germination. regulatory sequence A DNA sequence controling gene expression. This process is called transcription. Get help with your favorite word game. Get ready to gab about green gorillas and a group of great grasshoppers! rectum /REK-təm/ A short (~12 cm), upright portion of the large intestine. reciprocal translocation A condition (see figure at right) in which two non-homologous chromosomes trade blocks of chromatin (the process produces two new composite chromosomes each of which contain blocks from both of the preexisting chromosomes). Takes on during the course of reproduction get ready to gab about green gorillas a. May 04, 2019 Chemistry abbreviations and acronyms beginning with the letter & # 39 ; K & 39! And WordHub word solver to find words starting with the structure, function, growth, and consultant ~12... Emitted in the form of waves or ionizing particles ( 2 ) adaptive radiation Pertaining the. 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