1. Home
  2. Education
  3. Chemistry

Chemistry Glossary Terms Starting with the Letter A

Chemistry Glossary and Dictionary

By , About.com Guide

A is for atom, the basic chemical building block of an element.

A is for atom, the basic chemical building block of an element.

AhmadSherif, Wikipedia Commons
This chemistry glossary offers definitions for terms which are commonly used in chemistry and chemical engineering. An engineering glossary is available, too.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

ab initio

abrasive

absolute error

absolute pressure

absolute temperature

absolute uncertainty

absolute zero

absorbance

absorption

absorption cross section

absorption spectroscopy

absorption spectrum

absorptivity

accelerator

accuracy

acetate

acid

acid anhydride

acid-base titration

acid dissociation constant - Ka

acidic solution

actinides

activated complex

activation energy - Ea

actual yield

addition polymer

addition reaction

adhesive

adsorption

aerosol

alchemy

alcohol

aldehyde

alkali metal

alkaline

alkaline earth metal

alkane

alkene

alkyl group

alkyne

allotrope

alloy

alpha particle

alternating copolymer

ammeter

amorphous

analytical chemistry

anion

androgen

anisotropy

annealing

antiferromagnetism

antioxidant

aromatic compound

aqueous solution

Arrhenius rate equation

astrochemistry

atactic

atom

atomic mass

atomic mass unit (amu)

atomic number

atomic radius

atomic weight

austenite

autoionization

Avogadro's Law

Avogadro's number

azeotrope

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Recent Chemistry Features

Explore Chemistry

About.com Special Features

A Smarter Future

Tips that will help finance your education, excel in the classroom, and advance your career. More >

How to Ace the GRE

Being well prepared is the first step; here are more essential suggestions. More >

  1. Home
  2. Education
  3. Chemistry
  4. Facts & Pictures
  5. Dictionaries & Glossaries
  6. Chemistry Glossary
  7. Chemistry Glossary - Chemistry Glossary Terms Starting with the Letter A>

©2009 About.com, a part of The New York Times Company.

All rights reserved.