Word Pronunciation & Dictionary

arccos

Word Rarity Very rare

Frequency: Zipf frequency 1.19 in modern English

Syllables: ar-c-cos
IPA

10

Scrabble Score

6

Letters

3

Syllables

5

Unique Chars

Meaning

noun

Abbreviation of arccosine.

Example Sentences

"arccos (1/2ϕ)=2π/5"
"[…]with the appropriate constraint angles measured in terms of the arccoses and arctans."

Etymology

Etymology tree Proto-Indo-European *h₂erkʷ- Proto-Indo-European *h₂erkʷos Proto-Italic *arkuos Latin arcusder. English arc- English cosmetologyclip. English cos English arccos From arc- + cos.

Inflected Forms

arccoses (plural)

Frequently Paired Words

arcsin arctan

Synonyms

arc cosine arccosine inverse cosine

Questions

What does arccos mean?: Abbreviation of arccosine.
Where does arccos come from?: Etymology tree Proto-Indo-European *h₂erkʷ- Proto-Indo-European *h₂erkʷos Proto-Italic *arkuos Latin arcusder. English arc- English cosmetologyclip. English cos English arccos From arc- + cos.

How to pronounce arccos

Open the pronunciation page — Open the Speakur entry for “arccos”.
Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
Play the audio — Click Play to hear reference audio for “arccos”.
Repeat and practice — Say “arccos” aloud, matching stress and vowels until it feels natural.