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acacia xanthophloea
phrasal verbs
yellow
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dog
self-denial
sufficient
unveil
seizure
a. e. burnside
feudal
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concave polygon
concave polygon
/kɒnˈkeɪv ˈpɑlɪˌɡɒn/
noun
A polygon such that there is a straight line that cuts it in four or more points
(
concave polygon
)
a polygon such that there is a straight line that cuts it in four or more points
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