facultative
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Some require fertilization to produce seeds, while others can also reproduce without fertilization, a process known as facultative agamospermy.
From Science Daily • Dec. 20, 2025
For the first time, scientists have induced facultative parthenogenesis, a form of asexual reproduction, in an animal that usually reproduces sexually.
From Salon • Jul. 28, 2023
Animals that exhibit facultative migration can choose to migrate or not.
From Textbooks • Jun. 9, 2022
On the issue of facultative reinsurance, whereby it insures bundles of risk in a job lot, Swiss Re said it expected to finalise a policy for the oil and gas sector in 2023.
From Reuters • Mar. 17, 2022
In some cantons the referendum is obligatory, in others it is "facultative," or optional.
From The Governments of Europe by Ogg, Frederic Austin
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.