[ hahy-luhm ]
/ ˈhaɪ ləm /
noun, plural hi·la [hahy-luh]. /ˈhaɪ lə/.
- the mark or scar on a seed produced by separation from its funicle or placenta.
- the nucleus of a granule of starch.
Mycology. a mark or scar on a spore at the point of attachment to the spore-bearing structure.
Anatomy. the region at which the vessels, nerves, etc., enter or emerge from a part.
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Origin of hilum
1650–60; <New Latin; Latin: little thing, trifle; see nil
OTHER WORDS FROM hilumhilar, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for hilum
The same expression is sometimes written by the Spaniards, Lilaila, and Hila hilahaila.Shorter Novels, Eighteenth Century|Samuel Johnson
El que trabaja, y madra, hila oro—He that labours and perseveres spins gold.
British Dictionary definitions for hilum
/ (ˈhaɪləm) /
noun plural -la (-lə)
- a scar on the surface of a seed marking its point of attachment to the seed stalk (funicle)
- the nucleus of a starch grain
a deep fissure or depression on the surface of a bodily organ around the point of entrance or exit of vessels, nerves, or ducts
Word Origin for hilum
C17: from Latin: trifle; see nihil
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
Medical definitions for hilum
[ hī′ləm ]
n. pl. hi•la (-lə)
A depression or slit-like opening through which nerves, ducts, or blood vessels enter and leave in an organ or a gland.porta
Other words from hilumhi′lar (-lər) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for hilum
[ hī′ləm ]
A mark or scar on a seed, such as a bean, showing where it was formerly attached to the plant. The hilum indicates the point of attachment of the funiculus.
A depression or opening through which nerves, ducts, or blood vessels pass in an organ or a gland, as in the medial aspect of the lungs or the kidneys .
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.