amphitropous

[ am-fi-truh-puhs ]

/ æmˈfɪ trə pəs /

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adjective Botany.

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

QUIZ

THINGAMABOB OR THINGUMMY: CAN YOU DISTINGUISH BETWEEN THE US AND UK TERMS IN THIS QUIZ?

Do you know the difference between everyday US and UK terminology? Test yourself with this quiz on words that differ across the Atlantic.

Question 1 of 7

In the UK, COTTON CANDY is more commonly known as…

candystring

candyfloss

candypuff

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Origin of amphitropous

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

Words nearby amphitropous

Amphithemis, amphithyron, amphitricha, amphitrichate, Amphitrite, amphitropous, Amphitruo, Amphitryon, Amphitryon 38, amphiuma, amphogenic

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use amphitropous in a sentence

Capsule lobed, loculicidal, 3-valved, with 1–2 ovoid-kidney-shaped amphitropous or campylotropous black seeds in each cell.
The Manual of the Botany of the Northern United States|Asa Gray
Rhaphe, the line or ridge which runs from the hilum to the chalaza in anatropous and amphitropous seeds.
The Elements of Botany|Asa Gray
Raphe, the adherent funiculus connecting the hilum and chalaza in anatropous or amphitropous ovules or seeds.
Seeds of Michigan Weeds|W. J. (William James) Beal
The amphitropous ovule (Fig. 346) has a short or incomplete rhaphe.
The Elements of Botany|Asa Gray

Removed extra comma after "Amphitropous" in its index entry.
The Elements of Botany|Asa Gray

British Dictionary definitions for amphitropous

amphitropous

/ (æmˈfɪtrəpəs) /

adjective

(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