The difference between Facultative and Optional
When used as adjectives, facultative means of or relating to faculty, especially to mental faculty, whereas optional means not compulsory.
Optional is also noun with the meaning: something that is not compulsory, especially part of an academic course.
check bellow for the other definitions of Facultative and Optional
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Facultative as an adjective:
Of or relating to faculty, especially to mental faculty
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Facultative as an adjective:
Not obligate; optional, discretionary or elective
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Facultative as an adjective:
That grants permission or power to do something
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Facultative as an adjective (biology):
Able to perform a particular life function, or to live generally, in more than one way
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Facultative as an adjective (geometry, of a [[point]]):
At which a given function is positive.
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Optional as an adjective:
Not compulsory; left to personal choice; elective.
Examples:
"On that beach clothing is entirely optional."
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Optional as a noun:
Something that is not compulsory, especially part of an academic course.
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Optional as a noun (programming):
In the Swift programming language, a kind of variable that is assigned a specific data type but may or may not hold an actual value.