Discoid
Discoid Dis"coid, n. Anything having the form of a discus or disk; particularly, a discoid shell. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • discoid — discoíd adj. m., pl. discoízi; f. sg. discoídă, pl. discoíde Trimis de siveco, 10.08.2004. Sursa: Dicţionar ortografic  DISCOÍD, Ă adj. În formă de disc; discoidal. [pron. co id. / < …   Dicționar Român

  • Discoid — Dis coid, a. [Gr. ? quoit shaped, ? a round plate, quoit + e i^dos form, shape: cf. F. disco[ i]de. See {Disk}.] Having the form of a disk, as those univalve shells which have the whorls in one plane, so as to form a disk, as the pearly nautilus …   The Collaborative International Dictionary of English

  • discoid — [dis′koid΄] adj. [LL discoides < Gr diskoeidēs, disk shaped < diskos, a disk + eides, OID] 1. shaped like a disk 2. Bot. lacking ray flowers and having only tubular florets, as the inner part of a composite flower head: Also discoidal n.… …   English World dictionary

  • discoid — 1. Resembling a disk. 2. In dentistry, an excavating or carving instrument having a circular blade with a cutting edge around the periphery. [disco + G. eidos, appearance] * * * dis·coid dis .kȯid adj 1) resembling a disk: being flat and… …   Medical dictionary

  • discoid — adjective Etymology: Late Latin discoides quoit shaped, from Greek diskoeidēs, from diskos disk Date: 1794 1. relating to or having a disk: as a. situated in the floral disk < discoid florets > b. having only disk flowers < a discoid flower head… …   New Collegiate Dictionary

  • discoid — adj. [Gr. diskos, circular plate; eidos, form] 1. Flat and circular; disc like; disciform; discous. 2. (MOLLUSCA) Certain univalve shells with whorls coiled in one plane …   Dictionary of invertebrate zoology

  • discoid — /dis koyd/, adj. Also, discoidal. 1. having the form of a discus or disk; flat and circular. 2. Bot. (of a composite flower) consisting of a disk only, without rays. n. 3. something in the form of a disk. 4. Dentistry. an excavator with a… …   Universalium

  • discoid — adjective Of, pertaining to, or shaped like a disc / disk …   Wiktionary

  • discoid — adj. shaped like a disc, round and flat n. object which is shaped like a disc …   English contemporary dictionary

  • discoid — [ dɪskɔɪd] adjective technical shaped like a disc. Derivatives discoidal adjective …   English new terms dictionary

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