[of-thal-mee-uh, op-] /ɒfˈθæl mi ə, ɒp-/
inflammation of the eye, especially of its membranes or external structures.
inflammation of the eye, often including the conjunctiva
“inflammation of the eye, conjunctivitis,” late 14c., from Medieval Latin obtalmia, Old French obtalmie, from Late Latin ophthalmia, or directly from Greek ophthalmia, from ophthalmos (see ophthalmo-) + -ia.
ophthalmia oph·thal·mi·a (ŏf-thāl’mē-ə, ŏp-)
- Opposed-piston engine
[uh-pohzd-pis-tuh n] /əˈpoʊzdˈpɪs tən/ noun 1. a reciprocating engine, as a diesel engine, in which each cylinder has two pistons that move simultaneously away from or toward the center.
[uh-pohz-lis] /əˈpoʊz lɪs/ adjective, Archaic. 1. tolerating no opposition or resistance; irresistible.
- Opposer muscle of little finger
opposer muscle of little finger op·pos·er muscle of little finger (ə-pō’zər) n. A muscle with origin from the hamate bone and flexor retinaculum, with insertion into the shaft of the fifth metacarpal bone, with nerve supply from the ulnar nerve, and whose action draws the ulnar side of the hand toward the center of the […]
- Opposer muscle of thumb
opposer muscle of thumb n. A muscle with origin from the trapezium bone and the flexor retinaculum, with insertion into the first metacarpal bone, with nerve supply from the median nerve, and whose actction allows the thumb to move in a direction in contrast to that of the other fingers.