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optical pyrometer
n.
1.a pyrometer that uses the color of the light emitted by a hot object
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optical prism
optical phenomenon
optical opacity
optical maser
optical lens
optical instrument
optical illusion
optical glass
optical fusion
optical flint
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optical telescope
optically
optician
optics
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optimally
optimisation
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predictable
white walnut
change of life
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to no avail
with no effect, unsuccessful
My complaints to the company were to no avail and nothing was done.
1.
I had ________ had enough.
a.
already
b.
yet
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