ortho

名词 n.
中文释义
英 /ˈɔː.θəʊ/    美 /ˈoɹ.θoʊ/

英文释义

名词 n.
  1. An isomer of a benzene derivative having two substituents adjacent on the ring. countable
    — When the cinnamic acid had been nitrated the ortho was separated from the para, by suspending in alcohol and leading hydrochloric acid gas into the mixture : […].
  2. A certain type of flat eyepiece. countable
    — Orthos are excellent eyepieces, still preferred by some backyard astronomers for medium- and high-power applications, especially planetary observing.
  3. An orthochromatic plate. countable,dated
    — Wherever the exposure is likely to be cut short— and this includes all high speed work and most portraiture — the ortho is not so suitable as the ordinary plate.
  4. Clipping of orthography. abbreviation,alt-of,clipping,countable
  5. Clipping of orthophoto. abbreviation,alt-of,clipping,countable
    — The typical orthophoto building process is a long one, however, and the photography that the orthos are based may be several years old before an orthophoto is ready for distribution.
  6. Clipping of orthopedics. abbreviation,alt-of,clipping,uncountable

词形变化

orthos plural

词源

Ultimately from the prefix ortho-.
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