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2dimensional bar code

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• 2dimensional barcode

  noun a bar code that stores data both horizontally and vertically. see also matrix bar code, qr code. also, 2d bar code. also called two-dimensional bar code.

• 2g

  abbreviation second-generation; a system for mobile phones, characterized by digital technology, internet access, and a short-message service

• 2h

  symbol, chemistry deuterium. also, 2h, hb. h /eɪtʃ/ noun (pl) h’s, h’s, hs the eighth letter and sixth consonant of the modern english alphabet a speech sound represented by this letter, in english usually a voiceless glottal fricative, as in hat something shaped like an h (in combination): an h-beam h symbol (physics) planck constant […]

• 2naphthol

  [too-naf-thawl, -thol, -nap-] /ˈtuˈnæf θɔl, -θɒl, -ˈnæp-/ noun, chemistry beta-naphthol. see under naphthol. naphthol [naf-thawl, -thol, nap-] /ˈnæf θɔl, -θɒl, ˈnæp-/ noun, chemistry either of two isomeric hydroxyl derivatives, c 1 0 h 7 oh, of naphthalene (alpha-naphthol or 1-naphthol and beta-naphthol or 2-naphthol) white or yellowish crystals, with a phenolic odor, that darken on […]

• 2naphthol's

  [too-naf-thawl, -thol, -nap-] /ˈtuˈnæf θɔl, -θɒl, -ˈnæp-/ noun, chemistry beta-naphthol. see under naphthol. naphthol [naf-thawl, -thol, nap-] /ˈnæf θɔl, -θɒl, ˈnæp-/ noun, chemistry either of two isomeric hydroxyl derivatives, c 1 0 h 7 oh, of naphthalene (alpha-naphthol or 1-naphthol and beta-naphthol or 2-naphthol) white or yellowish crystals, with a phenolic odor, that darken on […]

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