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EnglishTHE SCHOLAR'S LEXICON

ortho

/awr-thoh/US // ˈɔr θoʊ //

矫形器,矫治器,矫形外科,矫形师

Definitions

adj.形容词 adjective
  1. 1

    Chemistry.

    • : pertaining to or occupying two adjacent positions in the benzene ring.Compare meta, para.

Examples

  • Ortho Sol makes precision screws for the most delicate of construction projects: spinal fusion.

  • And also those that contain norgestimate, which include Ortho-Cyclen and Tri-Cyclen.

  • The influence of position of an alkyl in the aromatic bodies is well shown in ortho-, para- and meta-derivatives.

  • The ortho molecules rotate with odd rotational quantum numbers, while the para molecules rotate with even quantum numbers.

  • This block is of the ortho-cerite stratum of Drummond Island.

  • This substance readily yields ortho-oxybenzoic acid or salicylic acid, which on nitration yields two mononitro-oxybenzoic acids.

  • It is well known that di-ortho-substituted benzoic acids are esterified with difficulty.

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