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单词 marcescent
释义

marcescentadj.n.

Brit. /mɑːˈsɛsnt/, U.S. /mɑrˈsɛsənt/
Origin: A borrowing from Latin. Etymons: Latin marcēscent-, marcēscēns.
Etymology: < classical Latin marcēscent-, marcēscēns, present participle of marcēscere to wither, become weak or languid < marcēre to be withered, faint, or languid (see marcid adj.) + -ēscere (see -escent suffix). Compare French marcescent (1798).
Botany.
A. adj.
Of a part of a plant: withering but not falling off.
ΘΚΠ
the world > plants > by growth or development > defined by poor growth > [adjective] > growing poorly or withering
feyOE
withering1599
weak1600
misliking1601
unfirm1616
languishing1683
sickly1697
marcescent1727
weakly1775
miffy1850
wilting1884
the world > plants > part of plant > growth, movement, or curvature of parts > [adjective] > permanent or discarded
shedc1430
deciduous1657
marcescent1727
fugacious1750
permanent1776
shrivelling1776
persisting1777
persistent1785
sphacelate1785
shedding1796
sphacelated1806
caducous1808
restant1828
fugitive1830
horarious1866
1727 N. Bailey Universal Etymol. Eng. Dict. II Marcescent, growing withered, fading.
1777 S. Robson Brit. Flora vii. 29 Marcescent, withering but not falling, as in Bellflower and Orchis.
1829 T. Castle Introd. Systematical & Physiol. Bot. iii. 81 Marcescent, withering on the stalk, without dropping, as in the campanula, cucumber, gourd, and others.
1861 R. Bentley Man. Bot. i. iv. 229 When it is persistent and assumes a shrivelled or withered appearance..it is marcescent.
1904 J. C. Willis Man. Flowering Plants (ed. 2) 77 If it [sc. the perianth] remains unwithered round the fruit, persistent, withered, marcescent, enlarged as in Physalis, accrescent.
1964 Acta Phytogeographica Suecica 49 51 (caption) Around the stem..there is a dense insulating mantle of marcescent dry leaves.
1992 M. Ingrouille Diversity & Evol. Land Plants 256 The presence of the thick covering of marcescent leaves insulates the plants.
B. n.
[Compare French marcescence (1812).] A plant having marcescent parts. Obsolete. rare.
ΚΠ
1855 J. B. Sanderson in Todd's Cycl. Anat. & Physiol. V. 254/2 A single cell of the leaf of a marcescent..is seen still to contain a primordial vesicle.
This entry has been updated (OED Third Edition, September 2000; most recently modified version published online June 2022).
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adj.n.1727
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