sinusoid

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. tiny endothelium-lined passages for blood in the tissue of an organ (Freq. 2)
• Hypernyms:
passage, passageway
2. the curve of y=sin x
• Syn:
sine curve
• Derivationally related forms:
sinusoidal
• Hypernyms:
wave, undulation