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amphitropous

American  
[am-fi-truh-puhs] / æmˈfɪ trə pəs /

adjective

Botany.

  1. (of an ovule) inverted so that the funicle is in the middle of one side.

amphitropous British  
/ æmˈfɪtrəpəs /

adjective

  1. (of a plant ovule) partially inverted so that the base and the micropyle at the apex are the same distance from the funicle

"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 amphitropous

First recorded in 1835–45; amphi- + -tropous

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.

Rhaphe, the line or ridge which runs from the hilum to the chalaza in anatropous and amphitropous seeds.

From Project Gutenberg

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.