== English ==
Wikipedia
=== Etymology ===
From Middle English definen, from Old French definer, variant of definir, from Latin dēfīniō (“limit, settle, define”), from dē + fīniō (“set a limit, bound, end”)
=== Pronunciation ===
IPA(key): /dɪˈfaɪn/
Rhymes: -aɪn
=== Verb ===
define (third-person singular simple present defines, present participle defining, simple past and past participle defined)
To determine with precision; to mark out with distinctness; to ascertain or exhibit clearly.
Sir Isaac Newton
Rings […] very distinct and well defined.
the defining power of an optical inst...