micropyle

[ mahy-kruh-pahyl ]

/ ˈmaɪ krəˌpaɪl /

noun

Zoology. any minute opening in an ovum through which a spermatozoon can enter, as in many insects.

Botany. the minute orifice or opening in the integuments of an ovule.

Origin of micropyle

1815–25; micro- + Greek pýlē gate

OTHER WORDS FROM micropyle

mi·cro·py·lar, adjective

Words nearby micropyle

micropsia, micropterous, micropublish, micropump, micropuncture, micropyle, micropyrometer, microreader, microrefractometer, microrelief, microreproduction

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for micropyle

The micropyle covers the upper surface of the egg and is not depressed.
The Butterfly Book|William Jacob Holland
Hence, by ascertaining the position of the micropyle and chalaza, the two extremities of the embryo can in general be discovered.
Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3|Various
The second type of micropyle is found in many Insecta, Teleostei, etc.
The Works of Francis Maitland Balfour, Volume II (of 4)|Francis Maitland Balfour
Every ovule has a tiny opening, or micropyle as it is called, and it is now easy to guess what that is for.
The Renewal of Life; How and When to Tell the Story to the Young|Margaret Warner Morley

On the upper end in some species they have a few short, vertical ridges, radiating from the micropyle.
The Butterfly Book|William Jacob Holland

British Dictionary definitions for micropyle

micropyle

/ (ˈmaɪkrəʊˌpaɪl) /

noun

a small opening in the integuments of a plant ovule through which the male gametes pass

a small pore in the shell of an insect's eggs through which the sperm passes

Derived forms of micropyle

micropylar, adjective

Word Origin for micropyle

C19: from micro- + Greek pulē gate

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

Scientific definitions for micropyle

micropyle

[ mī′krə-pīl′ ]

A minute opening in the ovule of a seed plant through which the pollen tube usually enters.

A pore in the membrane covering the ovum of some animals through which a spermatozoon can enter.

单词	micropyle
释义	micropyle [ mahy-kruh-pahyl ] / ˈmaɪ krəˌpaɪl / noun Zoology. any minute opening in an ovum through which a spermatozoon can enter, as in many insects. Botany. the minute orifice or opening in the integuments of an ovule. Origin of micropyle 1815–25; micro- + Greek pýlē gate OTHER WORDS FROM micropyle mi·cro·py·lar, adjective Words nearby micropyle micropsia, micropterous, micropublish, micropump, micropuncture, micropyle, micropyrometer, microreader, microrefractometer, microrelief, microreproduction Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for micropyle The micropyle covers the upper surface of the egg and is not depressed. The Butterfly Book\|William Jacob Holland Hence, by ascertaining the position of the micropyle and chalaza, the two extremities of the embryo can in general be discovered. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3\|Various The second type of micropyle is found in many Insecta, Teleostei, etc. The Works of Francis Maitland Balfour, Volume II (of 4)\|Francis Maitland Balfour Every ovule has a tiny opening, or micropyle as it is called, and it is now easy to guess what that is for. The Renewal of Life; How and When to Tell the Story to the Young\|Margaret Warner Morley On the upper end in some species they have a few short, vertical ridges, radiating from the micropyle. The Butterfly Book\|William Jacob Holland British Dictionary definitions for micropyle micropyle / (ˈmaɪkrəʊˌpaɪl) / noun a small opening in the integuments of a plant ovule through which the male gametes pass a small pore in the shell of an insect's eggs through which the sperm passes Derived forms of micropyle micropylar, adjective Word Origin for micropyle C19: from micro- + Greek pulē gate 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 Scientific definitions for micropyle micropyle [ mī′krə-pīl′ ] A minute opening in the ovule of a seed plant through which the pollen tube usually enters. A pore in the membrane covering the ovum of some animals through which a spermatozoon can enter. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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