- chalk slate
- Техника: меловой сланец
Универсальный англо-русский словарь. Академик.ру. 2011.
Универсальный англо-русский словарь. Академик.ру. 2011.
Slate — is a fine grained, foliated, , metamorphic rock derived from an original shale type sedimentary rock composed of clay or volcanic ash through low grade regional metamorphism. The result is a foliated rock in which the foliation may not correspond … Wikipedia
Chalk — (ch[add]k), n. [AS. cealc lime, from L. calx limestone. See {Calz}, and {Cawk}.] 1. (Min.) A soft, earthy substance, of a white, grayish, or yellowish white color, consisting of calcium carbonate, and having the same composition as common… … The Collaborative International Dictionary of English
Chalk drawing — Chalk Chalk (ch[add]k), n. [AS. cealc lime, from L. calx limestone. See {Calz}, and {Cawk}.] 1. (Min.) A soft, earthy substance, of a white, grayish, or yellowish white color, consisting of calcium carbonate, and having the same composition as… … The Collaborative International Dictionary of English
Chalk formation — Chalk Chalk (ch[add]k), n. [AS. cealc lime, from L. calx limestone. See {Calz}, and {Cawk}.] 1. (Min.) A soft, earthy substance, of a white, grayish, or yellowish white color, consisting of calcium carbonate, and having the same composition as… … The Collaborative International Dictionary of English
Chalk line — Chalk Chalk (ch[add]k), n. [AS. cealc lime, from L. calx limestone. See {Calz}, and {Cawk}.] 1. (Min.) A soft, earthy substance, of a white, grayish, or yellowish white color, consisting of calcium carbonate, and having the same composition as… … The Collaborative International Dictionary of English
Chalk mixture — Chalk Chalk (ch[add]k), n. [AS. cealc lime, from L. calx limestone. See {Calz}, and {Cawk}.] 1. (Min.) A soft, earthy substance, of a white, grayish, or yellowish white color, consisting of calcium carbonate, and having the same composition as… … The Collaborative International Dictionary of English
Chalk period — Chalk Chalk (ch[add]k), n. [AS. cealc lime, from L. calx limestone. See {Calz}, and {Cawk}.] 1. (Min.) A soft, earthy substance, of a white, grayish, or yellowish white color, consisting of calcium carbonate, and having the same composition as… … The Collaborative International Dictionary of English
Chalk pit — Chalk Chalk (ch[add]k), n. [AS. cealc lime, from L. calx limestone. See {Calz}, and {Cawk}.] 1. (Min.) A soft, earthy substance, of a white, grayish, or yellowish white color, consisting of calcium carbonate, and having the same composition as… … The Collaborative International Dictionary of English
slate — slate1 [slāt] n. [ME sclate < OFr esclate, fem. of esclat: see SLAT1] 1. a hard, fine grained, metamorphic rock, typically formed from shale, that cleaves naturally into thin, smooth surfaced layers 2. a thin piece of slate or slatelike… … English World dictionary
Chalk talk — Ad from Cartoons magazine for the Bart Chalk Talk program by C. L. Bartholomew. A chalk talk (aka chalk talk) was a popular act in vaudeville. A performer used chalk on a blackboard to make changes in a drawing while delivering a monologue. Some… … Wikipedia
Slate (writing) — A writing slate is a piece of flat material used as a medium for writing.In the 1800s, writing slates were made of slate, which is more durable than paper and was cheap at the time when paper was expensive. It was used to allow children to… … Wikipedia