algae

algae
A division of eukaryotic, photosynthetic, nonflowering organisms that includes many seaweeds. [pl. of L. alga, seaweed]
- blue-green a. former name for the blue-green bacteria, now classified as Cyanobacteria.

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al·gae (alґje) [L., pl., “seaweeds”] a large group included in the kingdom Protista, now classified into several different phyla. They are cryptogamous plantlike organisms in which the body is unicellular or consists of a thallus. Algae include the seaweeds and many unicellular fresh-water plants, most of which contain chlorophyll, and they account for about 90 per cent of the earth's photosynthetic activity. algal adj

Medical dictionary. 2011.

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Look at other dictionaries:

  • algae — n. plural of {alga}. [WordNet 1.5] …   The Collaborative International Dictionary of English

  • algae — [al′jē΄] pl.n. sing. alga [al′gə] [pl. of L alga, seaweed < IE base * el , *ol , to be moldy, putrid > Swed ul, rancid, Du uilig, rotten] any of several divisions of simple photosynthetic organisms, esp. certain thallophytes, variously one… …   English World dictionary

  • Algae — См. Водоросли (Источник: «Словарь терминов микробиологии») …   Словарь микробиологии

  • Algae — (Algen), erste Klasse im Endlicherschen Systeme; Ursprosser des Wassers, aus (verlängerten) Zellen gebildet, welche einzeln oder zu einem Gewebe verschmolzen sind u. in letzterem Falle der Pflanze ein faden , zweig oder blattartiges Ansehen geben …   Pierer's Universal-Lexikon

  • algae — (n.) (plural), 1794, from alga (singular), 1550s, from L. alga seaweed, of uncertain origin, perhaps from a PIE root meaning to putrefy, rot …   Etymology dictionary

  • algae — [n] rootless, leafless plants living in water dulse, kelp, scum, seaweed; concept 429 …   New thesaurus

  • algae — algal, adj. /al jee/, n.pl., sing. alga / geuh/. any of numerous groups of chlorophyll containing, mainly aquatic eukaryotic organisms ranging from microscopic single celled forms to multicellular forms 100 ft. (30 m) or more long, distinguished… …   Universalium

  • Algae — For other uses, see Algae (disambiguation) and Alga (disambiguation). Algae Laurencia, a marine genus of Red Algae from Hawaii. Scientific classification …   Wikipedia

  • algae — noun primitive chlorophyll containing mainly aquatic eukaryotic organisms lacking true stems and roots and leaves (Freq. 6) • Syn: ↑alga • Derivationally related forms: ↑algal (for: ↑alga) • Hypernyms: ↑ …   Useful english dictionary

  • algae — A non taxonomic term used to group several phyla of the lower plants, including the Rhodophyta (red algae), Chlorophyta (green algae), Phaeophyta (brown algae), and Chrysophyta (diatoms). Many algae are unicellular or consist of simple… …   Dictionary of molecular biology

  • algae — Synonyms and related words: Ectocarpales, Iceland moss, Irish moss, Phaeophyceae, autophyte, bean, bracken, brown algae, climber, conferva, confervoid, creeper, diatom, dulse, fern, fruits and vegetables, fucoid, fucus, fungi, fungus, grapevine,… …   Moby Thesaurus

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