Letter A - Chemistry dictionary by Futura-Sciences

Alphabetical index

Absolute zero Just as the speed of light is an unattainable limiting speed ...	Absorption spectrometry Absorption spectrometry is the absorption of light by atoms ...
Acetylation Acetylation is a chemical modification consisting in adding ...	Acid There are several definitions of an acid (Arrhenius, ...
Active centre An active site in a molecule.	Adduct An adduct is a chemical species AB in which each molecular ...
Adsorption Adsorption, which should not be confused with absorption, is ...	Adsorptivity Adsorptivity is the ability to adsorb. The greater the ...
Aglycone The aglycone part of a heteroside is the part of the ...	Air Air is a mixture of gases containing 78% nitrogen, 21% ...
Alcohol An alcohol group (-OH) or a molecule with one or more ...	Aldehyde An aldehyde is a saturated organic compound with a -CHO ...
Aldohexose An aldohexose is a hexose with an aldehyde group (-CHO).	Aldose An aldose is a carbohydrate an aldehyde group (-CHO).
Allosteric enzyme An allosteric enzyme is one having a sigmoid (S-shaped) ...	Americium Americium is a chemical element with the symbol Am and ...
AMP AMP is a nucleotide in the purine family composed of ...	Ampholyte An ampholyte is a compound that can behave either as an ...
Androsterone Androsterone is a male hormone derived from testosterone.	Anhydride An anhydride is a substance that can form an acid by ...