Chemistry Dictionary & Glossary: Terms Starting with A A-FACTORA-MCMBAB INITIOABATEMENTABLATIONABSCISSAABSOLUTE ENTROPY (OF A SUBSTANCE)ABSOLUTE ERRORABSOLUTE ZEROABSORPTION CROSS SECTIONABSORPTION FILTERABSORPTION SPECTRUMABSTRACTION REACTIONAC ARCAC SPARKACCELERATION SLITSACCRETIONACCUMULATION MODE PARTICLESACCURACYACETALDEHYDE (C2H4O)ACETIC ACIDACETIC ACID (C2H4O2)ACETONE (C3H6O)ACFACIDACID ANHYDRIDEACID IONIZATION CONSTANTACID RAINACID-PULSE (DRY DEPOSITION)ACIDIC SALTACIDIFICATIONACTINIDESACTIVATION ENERGYACTIVE METALACTIVE TRANSPORTACTIVITY (OF A COMPONENT OF IDEAL MIXTURE)ACTIVITY SERIESACTUAL YIELDACYL GROUPADDITION REACTIONADDRESS-MESSAGE CONCEPTADHESIONADHESIVE FORCESADIABATIC LAPSE RATEADMEADSORPTIONADVECTIONAEROBICAEROBIC RESPIRATIONAEROSOL PARTICLESAEROSOL SCAVENGERSAEROSOLSAFFINITYAFFORESTATIONAFOCAL SYSTEMAGONISTAIMDAIR PARCELAIR POLLUTIONAIR QUALITY ASSESSMENTALBEDOALCHEMYALCOHOLALDEHYDEALDEHYDESALKALIALKALI EARTH METAL (ALKALINE-EARTH METALS)ALKALI METALALKALI METALSALKALINE BATTERYALKALINE EARTH METALSALKALINE EARTHSALKANEALKENEALKENES (OLEFINS)ALKYL GROUPALKYLBENZENEALKYNEALKYNESALLOMORPHALLOSTERIC BINDING SITESALLOSTERIC ENZYMEALLOSTERIC REGULATIONALLOTROPESALLOTROPICALLOTROPIC MODIFICATIONS (ALLOTROPES)ALLOYINGALONALPHA (A) PARTICLEALPHA PARTICLEALPHA PARTICLESALPHA-AGIALPHA-ELECTRONALUMINOSILICATESALUMINUMALUMSAMIDEAMINEAMINE COMPLEXESAMINO ACIDAMMETERAMMOLITEAMMONIAAMORPHOUS SOLIDAMPEREAMPHIPROTISMAMPHOLYTEAMPHOTERISMANAEROBIC RESPIRATIONANALOGANALYZER TUBEANGSTROMANGSTROM (�)ANGULAR MOMENTUM QUANTUM NUMBERANIONANION PHOTOELECTRON SPECTROSCOPYANISOTROPYANNEALINGANNEALING POINTANNULENEANODEANOXICANTAGONISTANTARCTIC OZONE HOLEANTARCTIC VORTEXANTHROPOGENICANTHROPOGENIC FORCINGANTI-STOKES FLUORESCENCEANTIBONDING ORBITALANTICYCLONIC FLOWANTIFERROMAGNETISMANTIMATTER (ANTIPARTICLE)ANTIMETABOLITEANTINODESANTIREFLECTIVE COATING (AR)ANTISENSE MOLECULEAPPEARANCE POTENTIALAQUEOUSARCHIMEDES PRINCIPLEARGONARMATUREAROMATICAROMATIC HYDROCARBONSARSENIC TRISULFIDEARSENOUS ACIDARTIFICIAL TRANSMUTATIONARYL GROUPASBESTOSASBESTOS (TYPES OF)ASBESTOSISASBESTOSIS AND CANCERASPHALTANESASSIMILATION CYCLEASSOCIATED IONSASTIGMATISMATMOSPHEREATMOSPHERIC CONVECTIONATOMATOM SUPERPOSITION AND ELECTRON DELOCALIZATION (ASED)ATOMIC ABSORPTION SPECTROSCOPY (AAS)ATOMIC EMISSION SPECTROSCOPY (AES)ATOMIC FLUORESCENCE SPECTROSCOPY (AFS)ATOMIC MASS (ATOMIC MASS AVERAGE)ATOMIC MASS UNIT (AMU)ATOMIC NUMBERATOMIC ORBITALATOMIC RADIUSATOMIC VOLUMEATOMIC WEIGHTATTENUATORAUER BURNERAUFBAU ('BUILDING UP') PRINCIPLEAUGER EFFECTAUGER ELECTRON SPECTROSCOPYAUSTRAL SPRINGAUTACOIDAUTOIONIZATIONAUTOPROTOLYSISAUTORECEPTORAUTUMNAL EQUINOXAUXOCHROMEAVOGADRO'S LAWAVOGADRO'S NUMBERAVOGADRO, AMADEO (1776-1856)AZEOTROPEAZIMUTHAL QUANTUM NUMBER (ANGULAR MOMENTUM QUANTUM NUMBER)