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helianthine B

American

[hee-lee-an-thin, -theen] / ˌhi liˈæn θɪn, -θin /

noun

Chemistry.

methyl orange.

Etymology

Origin of helianthine B

helianth(us) + -ine ²

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.