In dictionaries:
cis-trans test
cis-trans isomerism
(physical chemistry) A form of isomerism in which, in one isomer two atoms or groups are on the same side of the plane of a double bond or ring, whereas in the other isomer they are on opposite sides; these are cis- and trans- isomers, respectively.
cis-trans isomers
cis-trans isomer
(physical chemistry) Either of a pair of geometric isomers, one having the cis- and one having the trans- configuration.
more...