facultative
adjective
conferring a faculty, privilege, permission, or the power of doing or not doing something.
facultatively
-
a word derived from
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.
In total, 38 genes associated with cell-in-cell phenomena were identified, and 14 of these originated over 2.2 billion years ago, predating the common ancestor of some facultatively multicellular organisms.
From Science Daily ● May 21, 2024
For example, the researchers found evidence of "heterospecific killing," where a cell engulfs and kills a cell of a different species, across a wide range of unicellular, facultatively multicellular, and obligate multicellular organisms.
From Science Daily ● May 21, 2024
Within this group, the remarkable ardewarans are facultatively bipedal waders that pluck fish from shallow water.
From Scientific American ● Apr. 1, 2013
