Etymology
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sinusoid

1823 in mathematics; 1900 in physiology, from sinus + -oid. Related: Sinusoidal.

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Definitions of sinusoid

sinusoid (n.)
tiny endothelium-lined passages for blood in the tissue of an organ;
sinusoid (n.)
the curve of y=sin x;
Synonyms: sine curve
From wordnet.princeton.edu

Dictionary entries near sinusoid

sinter

sinuate

sinuous

sinus

sinusitis

sinusoid

Siouan

Sioux

sip

siphon

sir