Facultative Definition

Facultative Sentence Examples

• Since 1875, 1000 citizens can claim a popular vote (facultative Referendum) on all bills, or can exercise the right of initiative whether as to laws or the revision of the cantonal constitution.

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

• In many cases the colour-production is dependent on certain definite conditions - temperature, presence of oxygen, nature of the food-medium, &c. Ewart's important discovery that some of these lipochrome pigments occlude oxygen, while others do not, may have bearings on the facultative anaerobism of these organisms.

• Similarly we are unable to divide Schizomycetes sharply into parasites and saprophytes, since it is well proved that a number of species - facultative parasites - can become one or the other according to circumstances.

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