Phrase guide

hyperbolic cosine

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

A hyperbolic function that is the analogue of the cosine function for hyperbolic spaces, taking in a hyperbolic angle as an argument and returning the y-coordinate for the corresponding point on the unit hyperbola, symbolically represented as

Definition source: English Wiktionary via Wiktextract

Topics: mathematics, sciences

Examples

  • cosh (x)= tfrac 1 2(ex+e−x).

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

No etymology was provided for this word.

Across languages

Translations

10 source translations are retained for this English entry.

  • Bulgarian: хиперболичен косинус (hiperboličen kosinus) — hyperbolic function
  • Chinese Mandarin: 雙曲函數 /双曲函数 (shuāngqū hánshù) — hyperbolic function
  • Finnish: hyperbolinen kosini — hyperbolic function
  • French: cosinus hyperbolique — hyperbolic function
  • Icelandic: breiðbogakósínus — hyperbolic function
  • Japanese: ハイパボリックコサイン (haipaborikku kosain) — hyperbolic function
  • Japanese: 双曲余弦 (sōkyoku yogen) — hyperbolic function
  • Polish: cosinus hiperboliczny — hyperbolic function
  • Russian: гиперболи́ческий ко́синус (giperbolíčeskij kósinus) — hyperbolic function
  • Swedish: cosinus hyperbolicus — hyperbolic function