An Etymological Dictionary of Astronomy and Astrophysics

1. Having a special or suggestive → meaning.
   

2. Statistics: Of or pertaining to a result that is not plausible to occur by chance.

Etymology (EN): From L. significant-, stem of significans, from significare, “to → signify.”

Etymology (PE): Nešânâr, from nešân, → sign, + âr short form of âvar present stem of âvardan “to bring, adduce, cause, produce.”