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opsonize
-opsy
opt
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opt-in e-mail
opt out
opt-out
optative
optic
optic axis
optic chiasma
optic cup
optic disk
optic nerve
optic vesicle
optical
optical activity
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optic

op·tic [ óptik ]


noun  (plural op·tics)
Definition:
 
1. instrument's lens: any lens or reflecting part in an optical instrument

2.  ( archaic )
Same as  eyen (sense 1)




adjective 
Definition:
 
of the eyes: belonging or relating to the eyes, or situated in or near the eye

[14th century. Via French or medieval Latin< Greek optikos< optos "seen, visible"]
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