noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Abbreviation of arccosine. abbreviation, alt-of

   "arccos (1/2ϕ)=2π/5"

2. 2
   the inverse function of the cosine; the angle that has a cosine equal to a given number wordnet

Synonyms

All synonyms

arc cosinearccosineinverse cosineinverse cosine

Example

More examples

"[…]with the appropriate constraint angles measured in terms of the arccoses and arctans."

Etymology

From arc- + cos.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.