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angst
clearing
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junk
nonionized
preach
mandarin orange tree
acromegalic
manawydan
leak fungus
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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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