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n. pl. mu·cro·nes (myo͞o-krō′nēz)
A sharp, pointed part or organ, especially a sharp terminal point, as of a leaf or shell.

[Latin mūcrō, mūcrōn-, sharp point.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


n, pl mucrones (mjuːˈkrəʊniːz)
(Biology) biology a short pointed projection from certain parts or organs, as from the tip of a leaf
[C17: from Latin mūcrō point]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈmyu kroʊ)

n., pl. mu•cro•nes (myuˈkroʊ niz)
an abruptly projecting point, as at the end of a leaf or feather.
[1640–50; < New Latin, Latin mucrō point]
mu′cro•nate (-krə nɪt, -ˌneɪt) mu′cro•nat`ed, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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A sharp or tapered end:
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References in periodicals archive ?
Protibiae long, weakly curved, with long mucro. Meso- and metatibiae shorter, weakly biconcave, weakly expanded to apex.
Longitud del mucro de la metatibia del tamano de un sexto, o menor a la mitad de la longitud del primer metatarsomero; mucro no sinuado ...
Mucro bidentate, apical tooth longer than basal tooth; basal spine smooth, reaching basal tooth.
Legs relatively short; femora weakly clavate, slightly flattened, without denticles; tibiae flattened, straight with parallel sides; uncus large with sickle-shaped inward curve; mucro tooth-shaped, small; apical setal combs absent; tarsi 5-jointed, slender, short, about 1/2 as long as tibiae; 1st-4th tarsomeres trapezoidal, 1st-2nd tarsomeres small, nearly equal, about as wide as uncus at base; onychium elongate, subcylindrical, 0.9 times as long as tarsomeres 1st-4th combined; claws small, free and simple.
They may have one edge, or a mucro. The length of the mucro in mucronate glumes usually decreases towards the top of the spikelet (Goetghebeur, 1998).
Aerobic yeasts and fungi, which are able to grow in anaerobic conditions, may colonize the rumen, including the species of the genera Aspergillus, Mucro and Sporormia (Orpin & Joblin, 1997).
Alioquin aduersus temeritatem tuam sancti spiritus iudicio beati Petri mucro deseuiet.
2E), mucro central, somewhat swollen although not prominent, antemucronal slope slightly convex, postmucronal slope slightly concave just behind the mucro (Fig.
heliotropioides in having sepals tipped with a purple mucro and relatively short petals, but the mericarp does not resemble either M.