semicircle
sem‧i‧cir‧cle /ˈsemiˌsɜːkəl $ -ɜːr-/
noun [countable]
in a semicircle
About 50 children sat in a semicircle around me.
—semicircular /ˌsemiˈsɜːkjələ◂, ˌsemiˈsɜːkjʊlə◂ $ -ˈsɜːrkjələr◂/ adjective
■ types of shapes
▪square a shape with four straight sides that are equal in length and four angles of 90 degrees
▪circle a round shape that is like an O
▪semicircle half a circle
▪triangle a shape with three straight sides and three angles
▪rectangle a shape with four straight sides and four angles of 90 degrees
▪oval a shape like a circle, but that is longer than it is wide
▪cylinder an object in the shape of a tube
▪cube a solid object with six equal square sides
▪pyramid a shape with a square base and four triangular sides that meet in a point at the top
▪sphere a shape like a ball
sem‧i‧cir‧cle /ˈsemiˌsɜːkəl $ -ɜːr-/
noun [countable] Word Family: noun: circle, semicircle, circulation; adjective: circular, semicircular, circulatory; verb: circle, circulate
half a circlein a semicircle
—semicircular /ˌsemiˈsɜːkjələ◂, ˌsemiˈsɜːkjʊlə◂ $ -ˈsɜːrkjələr◂/ adjective
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