cissoid Hear it!

cissoid definition

cis·soid (sis′o̵id′)

noun

Math. a curve converging into a pointed tip

Etymology: Gr kissoeidēs, ivylike < kissos, ivy + eidos, -oid

adjective

designating the angle formed by the concave sides of two intersecting curves

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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