fucus


fucus
/fyooh"keuhs/, n., pl. fuci /-suy/, fucuses.
any olive-brown seaweed or alga of the genus Fucus, having branching fronds and often air bladders.
[1590-1600; < L < Gk phykos orchil, red color, rock lichen, rouge]

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▪ algae genus
also called  rockweed 
 genus of brown algae, common on rocky seacoasts and in salt marshes of northern temperate regions. Adaptations to its environment include bladderlike floats (pneumatocysts), disk-shaped holdfasts for clinging to rocks, and mucilage-covered blades that resist desiccation and temperature changes. The plant is between about 2 and 50 cm (0.8 to 20 inches) in length; growth of the thallus is localized at the tips of forked shoots. The male and female reproductive organs may occur on the same or separate organisms; some species produce eggs and sperm all year long. Fucus is a perennial alga with a lifespan of up to four years. Fucus species, along with kelp (q.v.), are an important source of alginates—colloidal extracts with many industrial uses similar to those of agar.

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Universalium. 2010.

Look at other dictionaries:

  • fucus — [ fykys ] n. m. • 1562; lat. fucus, gr. phukos, nom d un lichen ♦ Algue brune (phéophycées) de la famille des fucacées, constituant la plus grande partie de ce qu on nomme communément goémon et improprement varech. « Sur la mer épaissie les fucus …   Encyclopédie Universelle

  • Fucus — Fucus …   Wikipédia en Français

  • fucus — FÚCUS s.m. Denumire dată algelor brune din genul Fucus, al căror tal este prins de stâncile din apa mărilor prin crampoane fixatoare. – cuv. lat. Trimis de zaraza joe, 13.09.2007. Sursa: DEX 98  fúcus s. m. Trimis de siveco, 10.08.2004. Sursa:… …   Dicționar Român

  • FUCUS — in Mimiambis C. Mattii apud A. Gell. l. 20. c. 9. Iam tonsiles tapetes ebrii fuco, Quos concha purpur a imbuens venenavit. Et Horat. Carm. l. 3. Od. 5. v. 27. Neque amissos colores Lana refert medicata fuco. Ex Graeco φῦκος, nomen herbae marinae …   Hofmann J. Lexicon universale

  • fucus — [fyo͞o′kəs] n. pl. fuci [fyo͞o′sī΄] or fucuses [ModL < L, rock lichen; also, red or purple paint obtained from it < Gr phykos, rock lichen, rouge < Sem, as in Heb puch, cosmetic for the eyes] 1. Obs. a) a kind of paint for the face b)… …   English World dictionary

  • Fucus — Fu cus, n.; pl. {Fuci}. [L. rock lichen, orchil, used as a red dye, red or purple color, disguise, deceit.] 1. A paint; a dye; also, false show. [Obs.] [1913 Webster] 2. (Bot.) A genus of tough, leathery seaweeds, usually of a dull brownish green …   The Collaborative International Dictionary of English

  • Fucus [1] — Fucus, Pflanzengattung aus der Familie der Fucaceae; Algenkörper oberwärts platt od. flach, zuweilen durch Luftblasen aufgetrieben, ästig, an den Spitzen zu Fruchtkörpern anschwellend; Hüllenfrüchte dicht gedrängt. Merkwürdige Arten: F.… …   Pierer's Universal-Lexikon

  • Fucus [2] — Fucus (lat.), s. Schminke …   Pierer's Universal-Lexikon

  • Fucus — L. (Tang), Algengattung aus der Familie der Fukazeen, Meergewächse mit lederartigem, flachem, meist wiederholt gabelspaltigem, braunem oder bräunlichgrünem Laub von ansehnlicher Größe, das bei mehreren Arten zu luftführenden Blasen ausgetrieben… …   Meyers Großes Konversations-Lexikon

  • Fucus — Fucus, Blasentang oder Seetang, Algengattg. der Phäophyzeen, Meeresalgen, bes. der Polarmeere, mit großen eingewachsenen Luftblasen; am häufigsten F. vesiculōsus L. [Abb. 635], als Dünger, Streumaterial und zur Jodgewinnung benutzt …   Kleines Konversations-Lexikon

  • Fucus —   [lateinische Bezeichnung für eine Flechte], Gattung der Braunalgen mit rd. 30 Arten; in der Nordsee u. a. der Blasentang …   Universal-Lexikon


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