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semicircle Definition

semi·cir·cle (semi sʉr′kəl)

noun

  1. a half circle
  2. anything in the form of a half circle

Etymology: L semicirculus: see semi- & circle

semicircle Related Forms
sem′i·cir·cu·lar (-kyə lər) adjective
semicircle Synonyms

semicircle

n.

arc, semicircumference, half a circle, 180 degrees, half-moon; see also arch, curve 1.

semicircle Usage Examples

Converse of object

  • form: My companions and I stopped walking, and turning around, I saw the crewmen form a semicircle around their leader.
  • make: A young shoot made a semicircle in 24 hrs.
  • intersect: Where Lines MO and NO intersect this semicircle read and values along the short curves on the scale of the inner semicircle.
  • describe: The huge semicircle described by the old A32 to do the same job seems very silly!
  • cut: The shoe is a rectangular piece of wood with a semicircle cut into the far side so that it fits snugly around a disk.
  • have: The resort has semicircle shaped facing East, eight kilometers of golden sand covered beach.

Converse of subject

  • shelter: The harbor is sheltered by a semicircle of mountains.

Preposition: around

  • city: Our lines made a large semicircle around the city of Taegu.

Adjective modifier

  • large: Known as the New Cut, there is a large semicircle cut out of the parallel sides to allow the turning of large boats.
  • other: Whereupon the semicircle a became bordered with Violet above, Scarlet below; but the other semicircle b quite con trary.
  • neat: Sit in the shade, and take inspiration from a bubbling fountain and a neat semicircle of noble Belgian statuary.
  • upper: The upper semicircle of each node on the comparison diagram summarizes these features.
  • huge: The huge semicircle described by the old A32 to do the same job seems very silly!

Modifies a noun

  • round: In a semicircle round the clearing stood the tents of the great functionaries of Bokhara.

Preposition: in

  • front: The jury was escorted in and lined up in a semicircle in front of the judge's bench.

Preposition: of

  • tree: There is also before the semicircle of the trees just mentioned a large vacant space, where the soldiers are exercised.
  • mountain: The harbor is sheltered by a semicircle of mountains.