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Synonyms

glabrous

American  
[gley-bruhs] / ˈgleɪ brəs /

adjective

Zoology, Botany.
  1. having a surface devoid of hair or pubescence.


glabrous British  
/ ˈɡleɪbreɪt, -brɪt, ˈɡleɪbrəs /

adjective

  1. biology without hair or a similar growth; smooth

    a glabrous stem

"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

Other Word Forms

Derived Forms

Etymology

Origin of glabrous

1630–40; < Latin glabr- (stem of glaber ) smooth, hairless + -ous

Explanation

The term glabrous describes surfaces that are smooth and free of hair, fur, or other types of fuzz. While most mammals are covered with hair or fur, some mammals, like adult dolphins, have glabrous skin. You might describe a shiny apple or a naked mole-rat as glabrous. In botany, a leaf without any tiny hairs or fuzz is considered glabrous. Similarly, a person with a freshly shaved head has a glabrous scalp. The word comes from the Latin word glaber, meaning "smooth or bald." This term is often used in both botany and anatomy to describe organic surfaces that are completely smooth and hairless.

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Glabrous, leafy, 2–5° high; leaves oblong, sinuate-pinnatifid and spinulosely dentate, ciliate; heads in an open panicle; involucre more imbricate; flowers yellow.—Minn.,

From The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee by Gray, Asa

Glabrous; leaves oblong-ovate, acute, scarcely serrulate; style short.—Damp soils, Va. to Ky. and Mo., and southward.

From The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee by Gray, Asa

Glabrous; or the young shoots and foliage slightly silky; or sometimes pubescent, or hirsute, with procumbent ascending, or erect stems of one to three feet.

From The History of Australian Exploration from 1788 to 1888 by Favenc, Ernest

Glabrous, somewhat spinescent, 5–10° high; leaves thin, oblong-ovate or ovate-lanceolate, acuminate at both ends, often serrulate; drupe elongated-oblong, usually pointed.—Wet river banks, S. W.

From The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee by Gray, Asa

Glabrous or nearly so, 1–8° high; leaves ovate, rarely heart-shaped, pointed, serrate, green both sides; cymes flat; flowers often all fertile, rarely all radiant.—Rocky banks, Penn. to Fla., west to Iowa and Mo. 2.

From The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee by Gray, Asa

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