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semiarid
semiautobiographical
semiautomatic
semiautonomous
semibold
semibreve
semibreve rest
semicentennial
semicircle
semicircular canal
semiclassical
semicolon
semicoma
semicomatose
semiconductor
semiconductor diode
semiconductor laser
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semicircle

sem·i·cir·cle [ sémmi sùrk'l ] (plural sem·i·cir·cles)


noun 
Definition:
 
1. half circle: half of the area or circumference of a circle

2. curved line: a curved or crescent-shaped line of things or people in the shape of a semicircle

[Early 16th century. < Latin semicirculus< circulus "small circle"]

sem·i·cir·cu·lar [ sèmmi súrkyələr ] adjective
sem·i·cir·cu·lar·ly adverb
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