- cycloid scales
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• костные чешуи• циклоидные чешуи
English-Russian dictionary of geology. 2011.
cycloid scales
Смотреть что такое "cycloid scales" в других словарях:
cycloid — I. noun Etymology: French cycloïde, from Greek kykloeidēs circular, from kyklos Date: 1661 a curve that is generated by a point on the circumference of a circle as it rolls along a straight line • cycloidal adjective II. adjective Date: 1847 1.… … New Collegiate Dictionary
cycloid scale — a smooth edged round or oval scale composed of acellular dermal bone lacking small spines on the posterior exposed edge. Typical of many Teleostei. Some cycloid scales may have a serrated margin and are then termed spinoid scales … Dictionary of ichthyology
cycloid — 1. noun a) The locus of a point on the circumference of a circle that rolls without slipping on a fixed straight line. b) A fish having cycloid scales … Wiktionary
cycloid — [sī′kloid΄] n. [Gr kykloeidēs, circular < kyklos (see WHEEL) + eidēs, OID] Geom. a curve traced by any point on a radius, or an extension of the radius, of a circle which rolls without slipping through one complete revolution along a straight… … English World dictionary
cycloid — cycloidal, adj. cycloidally, adv. /suy kloyd/, adj. 1. resembling a circle; circular. 2. (of the scale of a fish) smooth edged, more or less circular in form, and having concentric striations. 3. (of a fish) having such scales. 4. Psychiatry. of… … Universalium
cycloid — /ˈsaɪklɔɪd/ (say suykloyd) adjective 1. resembling a circle; circular. 2. (of fishes scales) smooth edged, more or less circular in form, with concentric striations. 3. having such scales, as a fish. 4. Psychology (of a personality type)… …
cycloid — cy•cloid [[t]ˈsaɪ klɔɪd[/t]] adj. 1) resembling a circle; circular 2) ich a) (of the scale of a fish) smooth edged and more or less circular in form b) (of a fish) having such scales 3) psi Psychiatry. of or denoting a personality type… … From formal English to slang
elasmoid scales — cycloid and ctenoid scales, q.v … Dictionary of ichthyology
Snake scales — Snakes, like other reptiles, have a skin covered in scales. Boulenger, George A. 1890 The Fauna of British India. page 1] Snakes are entirely covered with scales or scutes of various shapes and sizes. Scales protect the body of the snake, aid it… … Wikipedia
Fish scale — For other uses, see Fish scale (disambiguation). The cycloid scales of a common roach (Rutilus rutilus). The row of lateral line scales is visible in the lower half of the image. The skin of most bony and cartilaginous fishes are covered by… … Wikipedia
Scale (zoology) — In most biological nomenclature, a scale (Greek lepid , Latin squama ) is a small rigid plate that grows out of an animal s skin to provide protection. In lepidopteran (butterfly and moth) species, scales are plates on the surface of the insect… … Wikipedia
