Definition of Semicircle

1. Noun. A plane figure with the shape of half a circle.

Exact synonyms: Hemicycle
Generic synonyms: Plane Figure, Two-dimensional Figure
Derivative terms: Semicircular

Definition of Semicircle

1. n. The half of a circle; the part of a circle bounded by its diameter and half of its circumference.

Definition of Semicircle

1. Noun. Half of a circle. ¹

2. Noun. An instrument for measuring angles. ¹

¹ Source: wiktionary.com

Definition of Semicircle

1. [n -S]

Lexicographical Neighbors of Semicircle

semicastrated
semicastrates
semicastrating
semicasual
semicatatonic
semicelebrities
semicelebrity
semicentenary
semicentennial
semicentennials
semichaotic
semichiral
semichorus
semichoruses
semichronic
semicircle (current term)
semicircled
semicircles
semicircular
semicircular arch
semicircular canal
semicircular ducts
semicircular line of Douglas
semicircularly
semicircumference
semicircumferences
semicirque
semicirques
semicivilized

Literary usage of Semicircle

Below you will find example usage of this term as found in modern and/or classical literature:

1. Science Abstracts by Institution of Electrical Engineers (1900)
"Draw ON = 1 at right angles to OB, and on ON describe a * v 8 semicircle. ... If we take any point P on the large semicircle, then OP = primary current; ..."

2. Hermathena by Trinity College (Dublin, Ireland) (1883)
"On 07 describe the semicircle aty. Now, since the square on aß is equal to double the square on ay (and since the squares on the diameters are to each other ..."

3. The Complete Works of Thomas Dick, Ll.D.: Eleven Volumes in Two by Thomas Dick (1851)
"It has a nonius plate at K. At right angles to the plane of this semicircle, the equatorial circle, MN, is firmly fixed. It represents the equator, ..."

4. Geometrical Problems Deducible from the First Six Books of Euclid: Arranged by Miles Bland (1827)
"If a semicircle be described on the side of a quadrant, and from any point in the quadrantal arc a radius be drawn; the part of this radius intercepted ..."

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