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plenteous
achras zapota
froth at the mouth
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aborad
acoustic buoy
thoughtfulness
destined
pipe cutter
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6 june 1944
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concave lens
concave lens
/kɒnˈkeɪv lɛnz/
noun
A lens such that a parallel beam of light passing through it is caused to diverge or spread out
(
concave lens
,
diverging lens
)
a lens such that a parallel beam of light passing through it is caused to diverge or spread out
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