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forever chemicals
plural of forever chemical
fine chemicals
plural of fine chemical
fine chemical
(chemistry) Any single, pure, complex chemical substance produced in limited quantities by multistep processes.
chemical pregnancies
chemical pregnancy
A very early miscarriage, before reaching the stage of an embryo detectable by ultrasound.
chemical formula
Synonym of molecular formula / Any other formula used in chemistry.
chemical cell
a voltaic cell consisting of two metal electrodes connected by an electrolyte
chemical element
(chemistry) Any one of the simplest chemical substances that cannot be decomposed in a chemical reaction. Chemical elements consist of atoms which have the same number of protons.
chemical reaction
(chemistry) A process, typically involving the breaking or making of interatomic bonds, in which one or more substances are changed into others.
chemical equation
(chemistry) a symbolic representation of a chemical reaction; reactants are represented on the left, and products on the right