(organic chemistry) A halogenated hydrocarbon, CHBrClF, that is used in some fire extinguishers; its chirality is the basis of the Cahn-Ingold-Prelog rules

(genetics) The transfer of genetic material from one organism to another one that is not its offspring; especially common among bacteria.

Acronym of covenant, condition, and restriction.

(botany) The production of multiple kinds of fruit on the same plant.