Monocotyledon - Definitions from Dictionary.com

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Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

mon·o·cot·y·le·don

Audio Help [mon-uh-kot-l-eed-n] Pronunciation Key

–noun Botany.

an angiospermous plant of the class Monocotyledones, characterized by producing seeds with one cotyledon and an endogenous manner of growth.

Compare dicotyledon.

[Origin: 1720–30; < NL; see mono-, cotyledon

]

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

Encyclopædia Britannica, Inc.
Monocotyledon

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American Heritage Dictionary - Cite This Source - Share This

mon·o·cot·y·le·don Audio Help (mŏn'ə-kŏt'l-ēd'n) Pronunciation Key
n. Any of various flowering plants, such as grasses, orchids, and lilies, having a single cotyledon in the seed.

mon'o·cot'y·le'don·ous adj.

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

WordNet - Cite This Source - Share This

monocotyledon
noun
a monocotyledonous flowering plant; the stem grows by deposits on its inside [syn: monocot]

The American Heritage Science Dictionary - Cite This Source - Share This

monocotyledon (mŏn'ə-kŏt'l-ēd'n) or monocot Audio Help (mŏn'ə-kŏt'l-ēd'n) Pronunciation Key

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Any of a class of angiosperm plants having a single cotyledon in the seed. Monocotyledons have leaves with parallel veins, flower parts in multiples of three, and fibrous root systems. Their primary vascular bundles are scattered throughout the stem, not arranged in a ring as in eudicotyledons. Grasses, palms, lilies, irises, and orchids are monocotyledons. See more at leaf. Compare eudicotyledon.

monocotyledonous adjective

The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Monocotyledon

Mon`o*cot`y*le"don\, n. [Mono- + cotyledon: cf. F. monocotyl['e]done.] (Bot.) A plant with only one cotyledon, or seed lobe.

Note: The plural, monocotyledons, is used as the name of a large class of plants, and is generally understood to be equivalent to the term endogens.

On-line Medical Dictionary - Cite This Source - Share This

monocotyledon

monocotyledon: in CancerWEB's On-line Medical Dictionary

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