pure blue
Methylene Meth"yl*ene, n. [F. m['e]thyl[`e]ne, from Gr. ? wine + ? wood; -- a word coined to correspond to the name wood spirit.] (Chem.) A divalent hydrocarbon radical, {-CH2-}, not known in the free state, but regarded as an essential residue and component of certain derivatives of methane; as, methylene bromide, {CH2Br2}; -- formerly called also {methene}. [1913 Webster]

{Methylene blue} (Chem.), an artificial dyestuff consisting of a complex sulphur derivative of diphenyl amine; -- called also {pure blue}. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Pure blue — Pure Pure, a. [Compar. {Purer}; superl. {Purest}.] [OE. pur, F. pur, fr. L. purus; akin to putus pure, clear, putare to clean, trim, prune, set in order, settle, reckon, consider, think, Skr. p? to clean, and perh. E. fire. Cf. {Putative}.] 1.… …   The Collaborative International Dictionary of English

  • Pure Blue Japan — is a Japanese denim company. They use pure indigo dye as well as natural plant indigo in the production of their denim. Their denim is very slubby, meaning rough, and their jeans come in a range of fits including the XX 003 straight leg, XX 004… …   Wikipedia

  • victoria pure blue B — noun or victoria pure blue BO Usage: usually capitalized V&P&B Etymology: after Queen Victoria : a Victoria blue dye made from the ethyl analogue of Michler s ketone and N ethylalpha naphthylamine see dye table I (under Basic Blue 7, Pigment Blue …   Useful english dictionary

  • victoria pure blue BO — noun see victoria pure blue B …   Useful english dictionary

  • Pure — Pure, a. [Compar. {Purer}; superl. {Purest}.] [OE. pur, F. pur, fr. L. purus; akin to putus pure, clear, putare to clean, trim, prune, set in order, settle, reckon, consider, think, Skr. p? to clean, and perh. E. fire. Cf. {Putative}.] 1.… …   The Collaborative International Dictionary of English

  • Pure chemistry — Pure Pure, a. [Compar. {Purer}; superl. {Purest}.] [OE. pur, F. pur, fr. L. purus; akin to putus pure, clear, putare to clean, trim, prune, set in order, settle, reckon, consider, think, Skr. p? to clean, and perh. E. fire. Cf. {Putative}.] 1.… …   The Collaborative International Dictionary of English

  • Pure mathematics — Pure Pure, a. [Compar. {Purer}; superl. {Purest}.] [OE. pur, F. pur, fr. L. purus; akin to putus pure, clear, putare to clean, trim, prune, set in order, settle, reckon, consider, think, Skr. p? to clean, and perh. E. fire. Cf. {Putative}.] 1.… …   The Collaborative International Dictionary of English

  • Pure villenage — Pure Pure, a. [Compar. {Purer}; superl. {Purest}.] [OE. pur, F. pur, fr. L. purus; akin to putus pure, clear, putare to clean, trim, prune, set in order, settle, reckon, consider, think, Skr. p? to clean, and perh. E. fire. Cf. {Putative}.] 1.… …   The Collaborative International Dictionary of English

  • Pure-impure — Pure Pure, a. [Compar. {Purer}; superl. {Purest}.] [OE. pur, F. pur, fr. L. purus; akin to putus pure, clear, putare to clean, trim, prune, set in order, settle, reckon, consider, think, Skr. p? to clean, and perh. E. fire. Cf. {Putative}.] 1.… …   The Collaborative International Dictionary of English

  • blue blood — blue blooded, adj. /blooh blud / for 1; /blooh blud / for 2 1. an aristocrat, noble, or member of a socially prominent family. 2. aristocratic, noble, or socially prominent lineage or relatives: They boasted a lineage of pure blue blood. [1825… …   Universalium

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