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 common limestone. [1913 Webster]

2. (Fine Arts) Finely prepared chalk, used as a drawing implement; also, by extension, a compound, as of clay and black lead, or the like, used in the same manner. See {Crayon}. [1913 Webster]

{Black chalk}, a mineral of a bluish color, of a slaty texture, and soiling the fingers when handled; a variety of argillaceous slate.

{By a long chalk}, by a long way; by many degrees. [Slang] --Lowell.

{Chalk drawing} (Fine Arts), a drawing made with crayons. See {Crayon}.

{Chalk formation}. See {Cretaceous formation}, under {Cretaceous}.

{Chalk line}, a cord rubbed with chalk, used for making straight lines on boards or other material, as a guide in cutting or in arranging work.

{Chalk mixture}, a preparation of chalk, cinnamon, and sugar in gum water, much used in diarrheal affection, esp. of infants.

{Chalk period}. (Geol.) See {Cretaceous period}, under {Cretaceous}.

{Chalk pit}, a pit in which chalk is dug.

{Drawing chalk}. See {Crayon}, n., 1.

{French chalk}, steatite or soapstone, a soft magnesian mineral.

{Red chalk}, an indurated clayey ocher containing iron, and used by painters and artificers; reddle. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • 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 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

  • Chalk's Ocean Airways Flight 101 — Accident summary Date December 19, 2005 (2005 12 19) Type Structural failure …   Wikipedia

  • Chalk Group — The Needles, part of the extensive Southern England Chalk Formation. The Chalk Group (often just called the Chalk) is a lithostratigraphic unit (a certain number of rock strata) in the northwestern part of Europe. It is characterised by thick… …   Wikipedia

  • Chalk — For other uses, see Chalk (disambiguation). Chalk Sedimentary Rock The Needles, situated on the Isle of Wight, are part of the extensive Southern England Chalk Formation. Composition …   Wikipedia

  • Chalk Formation — The Chalk Formations of Europe are thick deposits of chalk, a soft porous white limestone, deposited in a marine environment during the upper Cretaceous Period. They appear most prominently in England. The formations are divided into three parts …   Wikipedia

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