Optical square
Definition of Optical square
a
surveyor
'
s
instrument
with
reflectors
for
laying
off
right
angles
.
See also:
Optic
Word:
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Oppugner
Opsimathy
Opsiometer
Opsonation
Optable
Optate
Optation
Optative
Optative mood
Optatively
Optic
Optic angle
Optic axis
Optic axis of a crystal
optical activity
optical cable
Optical circle
optical fiber
optical isomerism
Optical parallax
-Optical square-
Optically
Optically active
Optically positive
Optician
Optics
Optigraph
Optimacy
optimal
Optimate
Optimates
Optime
optimise
Optimism
Optimist
Optimistic
Optimity
optimize
optimum
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