ortho
(noun)
noun
1. (chemistry) An isomer of a benzene derivative having two substituents adjacent on the ring
2. (astronomy) A certain type of flat eyepiece
3. (photography, dated) An orthochromatic plate
4. (imaging) An orthophoto
(noun)
1. (chemistry) An isomer of a benzene derivative having two substituents adjacent on the ring
2. (astronomy) A certain type of flat eyepiece
3. (photography, dated) An orthochromatic plate
4. (imaging) An orthophoto