watch glass

الإنجليزية - التركية

تعريف watch glass في الإنجليزية التركية القاموس.

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الإنجليزية - الإنجليزية

تعريف watch glass في الإنجليزية الإنجليزية القاموس.

An item of glass laboratory equipment consisting of a simple slightly concave circle of glass. It is a general utility item, used to hold small samples, to evaporate liquids, to cover a beaker, and so on

(Kimya) A watch glass is a circular, slightly piece of glass used in chemistry as a surface to evaporate a liquid, to hold solids while being weighed, or as a cover for a beaker. The latter use is generally applied to prevent dust or other particles entering the beaker; the watch glass does not completely seal the beaker, and so gas exchanges still occur

laboratory glassware; a shallow glass dish used as an evaporating surface or to cover a beaker

small shallow dish for holding small quantity of a solution; small dish used in laboratories to evaporate liquids (Science); protective transparent cover (glass or plastic) for covering the face of a clock or watch

hour glass, glass filled with sand that falls to the other side (used to measure time)

المصطلحات ذات الصلة

watchglass

{i} small shallow dish for holding small quantity of a solution; small dish used in laboratories to evaporate liquids (Science)

التركية النطق

wôç gläs

النطق

/ˈwôʧ ˈglas/ /ˈwɔːʧ ˈɡlæs/

علم أصول الكلمات

[ 'wäch, 'woch ] (verb.) before 12th century. Middle English wacchen, from Old English wæccan; more at WAKE.