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phytonadione

American

[fahy-toh-nuh-dahy-ohn] / ˌfaɪ toʊ nəˈdaɪ oʊn /

noun

Biochemistry.

vitamin K1.

Etymology

Origin of phytonadione

phyt(ic acid) + -o- + na(phthoquinone) + di- ¹ ( def. ) + -one ( def. )

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.