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moss

 
Dictionary: moss   (môs, mŏs) pronunciation
n.
    1. Any of various green, usually small, nonvascular plants of the class Musci of the division Bryophyta.
    2. A patch or covering of such plants.
  1. Any of various other unrelated plants having a similar appearance or manner of growth, such as the club moss, Irish moss, and Spanish moss.
tr.v., mossed, moss·ing, moss·es.
To cover with moss.

[Middle English, from Old English mos, bog, and from Medieval Latin mossa, moss (of Germanic origin).]


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moss, any species of the class Bryopsida, in which the liverworts are sometimes included. Mosses and liverworts together comprise the division Bryophyta, the first green land plants to develop in the process of evolution. It is believed that they evolved from certain very primitive vascular plants and have not given rise to any other type of plant. Their rootlike rhizomes and leaflike processes lack the vascular structure (xylem and phloem) of the true roots, stems, and leaves found in higher plants. Although limited to moist habitats because they require water for fertilization, bryophytes are usually extremely hardy and grow everywhere except in the sea. Mosses, the more complex class structurally, usually grow vertically rather than horizontally, like the liverworts. The green moss plant visible to the naked eye, seldom over 6 in. (15.2 cm) in height, is the gametophyte generation (see reproduction). Except for the commercially valuable sphagnum or peat moss, mosses are of little direct importance to humans. They are of some value in soil formation and filling in of barren habitats (e.g., dried lakes) prior to the growth of higher plants and also provide food for certain animals. Unrelated plants sharing the name moss include the club moss, flowering moss, or pyxie (of the diapensia family), Irish moss, or carrageen (see algae), reindeer moss (a lichen), and Spanish moss. Mosses are classified in the division Bryophyta, class Bryopsida.

Bibliography

See A. J. Grout, Moss Flora of North America (3 vol., 1928-39, repr. 1972).



Any of a group of small, flowerless, nonvascular plants, usually found in damp shady sites with acid soil.

Word Tutor: moss
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pronunciation

IN BRIEF: n. - Tiny leafy-stemmed flowerless plants.

pronunciation A rolling stone can gather no moss. — Publilius Syrus

Wikipedia: Moss (disambiguation)
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Moss is a small, soft, non-vascular plant that does not have flowers or seeds

Moss may also refer to:

In biology:

  • Bog, an acidic wetland, termed "Moss" in Scotland and Northern England (e.g. Solway Moss)
  • Spanish moss, a flowering bromeliad plant that grows hanging from tree branches

In geography:

In sports:

In music:

In other fields:

People with the surname Moss:

People with the given name Moss:

See also


Translations: Moss
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Dansk (Danish)
n. - mos
v. tr. - dække med mos

Nederlands (Dutch)
mos, moeras, met mos bedekken

Français (French)
n. - (Bot) mousse
v. tr. - recouvrir de mousse

Deutsch (German)
n. - Moos, Moor
v. - mit Moos bedecken

Ελληνική (Greek)
n. - (φυτολ.) βρύο, μούσκλο

Italiano (Italian)
muschio

Português (Portuguese)
n. - musgo (m)

Русский (Russian)
мох, покрывать мхом

Español (Spanish)
n. - musgo
v. tr. - cubrir de musgo, quitar el musgo

Svenska (Swedish)
n. - mossa, kärr

中文(简体)(Chinese (Simplified))
苔藓, 泥沼, 以苔覆盖, 使长满苔藓

中文(繁體)(Chinese (Traditional))
n. - 苔蘚, 泥沼
v. tr. - 以苔覆蓋, 使長滿苔蘚

한국어 (Korean)
n. - 이끼, 늪지
v. tr. - 이끼로 덮다

日本語 (Japanese)
n. - 男子名, 蘚類, コケ
v. - コケでおおう

العربيه (Arabic)
‏(الاسم) طحلب‏

עברית (Hebrew)
n. - ‮אזוב, טחב‬
v. tr. - ‮כיסה בטחבים או באזובים‬


 
 
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Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.  Read more
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