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sinal

American

[sahyn-l] / ˈsaɪn l /

adjective

of, relating to, or involving a sinus.

Etymology

Origin of sinal

sin(us) + -al ¹

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.