Facultative Definition

Facultative Sentence Examples

• The provisions of neither convention are obligatory, but merely " facultative," amounting only to recommendations.

• Many bacteria may however grow in both the presence or absence of oxygen, and these are termed facultative anaerobes.

• The facultative species can be subdivided into primary and secondary facultative ectoparasites.

• Many strains are facultative intracellular parasites which produce endotoxins and enterotoxins.

• By the latest enactments (one dating from 1905) 2500 citizens can claim a vote ("facultative referendum") as to any legislative project, or can exercise the "right of initiative" as to any such project or as to the revision of the cantonal constitution.