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abradant |
am abrasive substance. [1/2 definitions] |
abrasive |
a material or substance used to grind or polish surfaces. [1/3 definitions] |
absolute zero |
the lowest possible temperature for any known substance, equal to -273.15 degrees Celsius or -459.67 degrees Fahrenheit. |
absorbent |
a material or substance that absorbs. [1/2 definitions] |
abstract |
existing without physical shape or substance. [1/3 definitions] |
accelerant |
a substance capable of accelerating a process, such as the spreading of a fire. |
acetylcholine |
in biochemistry, the substance produced during nerve conduction that transmits nerve impulses across synapses and causes muscles to move. [1/2 definitions] |
acid |
a substance that has a sour taste and, if it is very strong, can sometimes burn a hole in something that it touches. |
activate |
in physics, to cause radioactive properties in (a substance). [1/6 definitions] |
actualize |
to make real; to give substance to. |
adamant |
any extremely hard, unbreakable, or impenetrable substance. [1/3 definitions] |
addict |
one who depends on or craves a habit-forming substance, such as a drug. [2/4 definitions] |
addiction |
the condition of being addicted, esp. to a narcotic substance. |
additive |
a substance added to another substance in small amounts to change or improve it. |
adhesive |
a sticky substance such as glue. [1/2 definitions] |
adsorption |
the condensation or adhesion of a gas, vapor, liquid, or dissolved substance on the surface of a solid or liquid. (Cf. absorption.) |
adulterant |
something that, when added to a substance, makes the substance impure or inferior. [1/2 definitions] |
aerial |
resembling air, as in lightness or lack of substance. [1/6 definitions] |
aerosol |
a liquid substance, such as an insecticide, disinfectant, deodorant, or paint, sealed in a container under pressure and dispensed as a fine spray. [1/2 definitions] |
agar |
a gelatinous substance derived from red marine algae, used esp. to solidify bacterial cultures and to thicken foods; agar-agar. |
-agogue |
a substance that encourages the secretion or flow of. [1/2 definitions] |
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