Meaning of ortho | Babel Free

Definitions

1. An isomer of a benzene derivative having two substituents adjacent on the ring.
   countable
2. A certain type of flat eyepiece.
   countable
3. An orthochromatic plate.
   countable, dated
4. Clipping of orthography.
   abbreviation, alt-of, clipping, countable
5. Clipping of orthophoto.
   abbreviation, alt-of, clipping, countable
6. Clipping of orthopedics.
   abbreviation, alt-of, clipping, uncountable

Examples

“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 : […].”

“Similarly, it also does not make sense to call the spin states of ortho and para hydrogen entangled.”

“Orthos are excellent eyepieces, still preferred by some backyard astronomers for medium- and high-power applications, especially planetary observing.”

“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.”

“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.”

CEFR level