| 单词 | parastichy |
| 释义 | parastichy[ pi-ras-ti-kee ] / pɪˈræs tɪ ki / noun, plural pa·ras·ti·chies.Botany.one of a number of seemingly secondary spirals or oblique ranks winding around the stem or axis to the right and left in a spiral arrangement of leaves, scales, etc., where the internodes are short and the members closely crowded, as in the houseleek and the pine cone. Origin of parastichyFirst recorded in 1870–75; para-1 + stich1 + -y3 Words nearby parastichyparasol pine, parasomnia, paraspadias, parastasis, parastatal, parastichy, parasuicide, parasymbiosis, parasympathetic, parasympathetic ganglion, parasympathetic nerve Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for parastichyparastichy / (pəˈræstɪkɪ) / noun plural -chiesa hypothetical spiral line connecting the bases of a series of leaves on a stem an arrangement of leaves so connected Compare orthostichy Derived forms of parastichyparastichous, adjectiveWord Origin for parastichyC19: from para- 1 + Greek stikhia, from stikhos row, rank 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 |
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