| 单词 | heterosporous |
| 释义 | heterosporous[ het-uh-ros-puh-ruhs, het-er-uh-spawr-uhs, -spohr- ] / ˌhɛt əˈrɒs pə rəs, ˌhɛt ər əˈspɔr əs, -ˈspoʊr- / adjective Botany.having more than one kind of spore. Origin of heterosporousFirst recorded in 1870–75; hetero- + -sporous Words nearby heterosporousheterosexism, heterosexual, heterosexuality, heterosis, heterosocial, heterosporous, heterospory, heterostracan, heterostyled, heterostyly, heterosuggestion Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for heterosporous
British Dictionary definitions for heterosporousheterosporous / (ˌhɛtəˈrɒspərəs) / adjective(of seed plants and some ferns and club mosses) producing megaspores and microsporesCompare homosporous Derived forms of heterosporousheterospory, nounCollins 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 heterosporousheterosporous [ hĕt′ər-ə-spôr′əs, hĕt′ə-rŏs′pər-əs ] Producing two types of spores differing in size and sex, the male microspore and the female megaspore, which develop into separate male and female gametophytes. All seed-bearing plants, as well as some ferns and other seedless plants, are heterosporous. Compare homosporous. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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