a chemical compound containing the azido group combined with an element or radical
azo dye
Noun
any dye containing one or more azo groups
androgen
Noun
male sex hormone that is produced in the testes and responsible for typical male sexual characteristics
androgenic hormone
Noun
male sex hormone that is produced in the testes and responsible for typical male sexual characteristics
adrenosterone
Noun
a steroid having androgenic activity
androsterone
Noun
an androgenic hormone that is less active than testosterone
animal skin
Noun
the outer covering of an animal
amine
Noun
a compound derived from ammonia by replacing hydrogen atoms by univalent hydrocarbon radicals
aminoalkane
Noun
a compound derived from ammonia by replacing hydrogen atoms by univalent hydrocarbon radicals
azadirachtin
Noun
insecticide
adrenal cortical steroid
Noun
a steroid hormone produced by the adrenal cortex or synthesized
aminobenzoic acid
Noun
a derivative of benzoic acid
aldosterone
Noun
a corticosteroid hormone that is secreted by the cortex of the adrenal gland
amino plastic
Noun
a plastic (synthetic resin) made from amino compounds
aminoplast
Noun
a plastic (synthetic resin) made from amino compounds
astrakhan
Noun
the fur of young lambs
amino resin
Noun
a plastic (synthetic resin) made from amino compounds
ammonia
Noun
a pungent gas compounded of nitrogen and hydrogen (NH3)
ammonia
Noun
a water solution of ammonia
ammine
Noun
a complex inorganic compound that contains ammonia molecules
ammonia water
Noun
a water solution of ammonia
anime
Noun
any of various resins or oleoresins
anime
Noun
a hard copal derived from an African tree
ammonium hydroxide
Noun
a water solution of ammonia
antifreeze
Noun
a liquid added to the water in a cooling system to lower its freezing point
ammonium
Noun
the ion NH4 derived from ammonia
ammonium ion
Noun
the ion NH4 derived from ammonia
aqua fortis
Noun
acid used especially in the production of fertilizers and explosives and rocket fuels
ammonium carbamate
Noun
a salt of carbamic acid that is used as a nitrogen fertilizer
ammonium carbonate
Noun
a carbonate of ammonium
activated carbon
Noun
powdered or granular carbon used for purifying by adsorption
activated charcoal
Noun
powdered or granular carbon used for purifying by adsorption
acetylcholine
Noun
a neurotransmitter that is a derivative of choline
acyl anhydrides
Noun
organic compounds that react with water to form an acid
acid anhydrides
Noun
organic compounds that react with water to form an acid
animal fat
Noun
any fat obtained from animals
acyl halide
Noun
organic compounds containing the group -COX where X is a halogen atom
alkalizer
Noun
an agent that counteracts or neutralizes acidity (especially in the stomach)
alkaliser
Noun
an agent that counteracts or neutralizes acidity (especially in the stomach)
antiacid
Noun
an agent that counteracts or neutralizes acidity, especially in the stomach
arsenic group
Noun
the univalent group derived from arsine
abrasive material
Noun
a substance that abrades or wears down
anthracite
Noun
a hard natural coal that burns slowly and gives intense heat
anthracite coal
Noun
a hard natural coal that burns slowly and gives intense heat
animal starch
Noun
one form in which body fuel is stored
acceptor RNA
Noun
RNA molecules present in the cell (in at least 20 varieties, each variety capable of combining with a specific amino acid) that attach the correct amino acid to the protein chain that is being synthesized at the ribosome of the cell (according to directions coded in the mRNA)
alumina
Noun
any of various forms of aluminum oxide occurring naturally as corundum
aluminum oxide
Noun
any of various forms of aluminum oxide occurring naturally as corundum
aluminium oxide
Noun
any of various forms of aluminum oxide occurring naturally as corundum