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primine

American  
[prahy-min] / ˈpraɪ mɪn /

noun

Botany.

  1. the outer integument of an ovule.

primine British  
/ ˈpraɪmɪn /

noun

  1. rare botany the integument surrounding an ovule or the outer of two such integuments Compare secundine

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of primine

1825–35; < Latin prīm ( us ) first ( prime ) + -ine 2

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Within the primine lies the bony crustaceous secundine, which is quite loose, and seems as if it were independent of the primine.

From Journal of an Expedition into the Interior of Tropical Australia by Mitchell, Thomas

Eventually the end of the thin brittle primine breaks like an eggshell and the secundine falls out.

From Journal of an Expedition into the Interior of Tropical Australia by Mitchell, Thomas

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.