noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Any of several single-valued or multivalued functions that are inverses of the cosine function.
2. 2
   the inverse function of the cosine; the angle that has a cosine equal to a given number wordnet

Synonyms

All synonyms

arc cosinearccoscos inverse functioninverse cosineinverse cosine function

Antonyms

All antonyms

cosine

Etymology

From arc- + cosine.