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sinuate
sinuosity
sinuous
sinus
Sinus Iridum
sinus node
sinus venosus
sinusitis
sinusoid
sinusoidal projection
Siouan
Sioux
Sioux City
Sioux Falls
sip
SIPC
siphon
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sinusoid

si·nu·soid [ snə sòyd ]


noun  (plural si·nu·soids)
Definition:
 
1. small vessel in organ tissue: a small blood vessel or cavity in the tissue of an organ such as the liver, heart, or pancreas

2. mathematics 
Same as  sine curve




adjective 
Definition:
 
like sinus: resembling a sinus in shape or function


si·nu·soi·dal [ snə sóyd'l ] adjective
si·nus·oi·dal·ly adverb
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