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单词 ortho-
释义

Definition of ortho- in English:

ortho-

combining formˈɔːθəʊ
  • 1Straight; rectangular; upright.

    orthodontics
    1. 1.1 Right; correct.
      orthoepy
  • 2Chemistry
    Denoting substitution at two adjacent carbon atoms in a benzene ring, e.g. in 1,2 positions.

    orthodichlorobenzene
    Compare with meta- and para-
  • 3Chemistry
    Denoting a compound from which a meta-compound is formed by dehydration.

    orthophosphoric acid

Origin

From Greek orthos 'straight, right'.

 
 

Definition of ortho- in US English:

ortho-

combining formˈɔrθoʊ
  • 1Straight; rectangular; upright.

    orthodontics
    1. 1.1 Right; correct.
      orthoepy
  • 2Chemistry
    Denoting substitution at two adjacent carbon atoms in a benzene ring, e.g., in 1, 2 positions.

    orthodichlorobenzene
    Compare with meta- and para-
  • 3Chemistry
    Denoting a compound from which a meta-compound is formed by dehydration.

    orthophosphoric acid

Origin

From Greek orthos ‘straight, right’.

 
 
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更新时间:2024/12/23 9:56:13