Standard Lemma guide

sinusoid

adj · noun · 6 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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • General-American, Received-Pronunciation: /ˈsaɪ.nə.sɔɪd/
  • Australian: /ˈsɑɪ.nə.soɪd/
  • US: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: S AY1 N AH0 S OY2 D Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Sinusoidal.

Definition source: English Wiktionary via Wiktextract

Topics: mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Characteristic of a sinus.

Definition source: English Wiktionary via Wiktextract

Topics: anatomy, medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A curve having the shape of a sine wave.

Definition source: English Wiktionary via Wiktextract

Topics: mathematics, sciences

Examples

  • Temperature during the week can be represented with a sinusoid.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

Any of several channels through which venous blood passes in various organs.

Definition source: English Wiktionary via Wiktextract

Topics: anatomy, medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

tiny endothelium-lined passages for blood in the tissue of an organ

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: passage, passageway

6

noun

Meaning 6

the curve of y=sin x

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: sine curve

Antonyms: none provided

Broader terms: wave, undulation

History

Etymology

From the French sinusoïde, equivalent to sinus + -oid.

Across languages

Translations

22 source translations are retained for this English entry.

  • Finnish: ontelomainen — anatomy: resembling a sinus
  • Chinese Mandarin: 正弦曲線 /正弦曲线 (zhèngxián qūxiàn) — sine curve
  • Czech: sinusoida — sine curve
  • Czech: sinusovka — sine curve
  • Czech: sinoida — sine curve
  • Finnish: sinikäyrä — sine curve
  • French: sinusoïde — sine curve
  • German: Sinuskurve — sine curve
  • Icelandic: sínusferill — sine curve
  • Italian: sinusoide — sine curve
  • Japanese: 正弦曲線 (seigen kyokusen) — sine curve
  • Latin: sinusoīdēs — sine curve
  • Polish: sinusoida — sine curve
  • Russian: синусо́ида (sinusóida) — sine curve
  • Slovak: sínusoida — sine curve
  • Swedish: sinuskurva — sine curve
  • Tagalog: sinwaying kilo — sine curve
  • Finnish: tiehyt — anatomy: channel for venous blood
  • German: Sinusoid — anatomy: channel for venous blood
  • Japanese: 類洞 (ruidō) — anatomy: channel for venous blood
  • Russian: синусо́идный капилля́р (sinusóidnyj kapilljár) — anatomy: channel for venous blood
  • Russian: синусо́ид (sinusóid) — anatomy: channel for venous blood