- diatom frustule
-
панцырь диатомовых водорослей
English-Russian dictionary of geology. 2011.
diatom frustule
Смотреть что такое "diatom frustule" в других словарях:
Frustule — A frustule is the hard and porous cell wall or external layer belonging to diatoms. The frustule is composed almost purely of silica, made from silicic acid, and is coated with a layer of organic substance, sometimes pectin, a fiber most commonly … Wikipedia
Frustule — Frus tule, n. [L. frustulum, dim. fr. frustum a piece: cf. F. frustule.] (Bot.) The siliceous shell of a diatom. It is composed of two valves, one overlapping the other, like a pill box and its cover. [1913 Webster] … The Collaborative International Dictionary of English
frustule — [frus′tyo͞ol΄, frus′cho͞ol΄] n. [Fr < L frustulum, dim. of frustum, a piece: see FRUSTUM] either of the two interlocking halves of the hard, siliceous shell of a diatom cell … English World dictionary
Diatom — For a molecule of two atoms, see Diatomic molecule. Diatoms Marine diatoms Scientific classification Domain … Wikipedia
Diatom — Bacillariophyta Bacillariophyta ou Diatomées … Wikipédia en Français
frustule — noun The siliceous shell of a diatom. A frustule is the hard and porous cell wall or external layer of diatoms. The frustule is composed almost purely of silica … Wiktionary
diatom — /duy euh teuhm tom /, n. any of numerous microscopic, unicellular, marine or freshwater algae of the phylum Chrysophyta, having cell walls containing silica. [1835 45; < NL Diatoma orig. a genus name, fem. n. based on Gk diátomos cut in two. See… … Universalium
frustule — noun Etymology: French, from Latin frustulum, diminutive of frustum Date: 1848 the 2 valved siliceous shell of a diatom … New Collegiate Dictionary
frustule — /frus choohl/, n. Bot. the siliceous cell wall of a diatom. [1855 60; < F < LL frustulum, dim. of frustum FRUSTUM] * * * … Universalium
frustule — [ frʌstju:l] noun Botany the silicified cell wall of a diatom, consisting of two valves or overlapping halves. Origin C19: from L. frustulum, dimin. of frustum (see frustum) … English new terms dictionary
frustule — frus•tule [[t]ˈfrʌs tʃul[/t]] n. mcr the shell of a diatom • Etymology: 1855–60; < F < LL … From formal English to slang
