right angle

right an·gle

R r

Transcription

- US Pronunciation
- US IPA
- UK Pronunciation
- UK IPA
- [rahyt ang-guh l]
- /raɪt ˈæŋ gəl/
- /raɪt ˈæŋɡl/

- US Pronunciation
- US IPA
- [rahyt ang-guh l]
- /raɪt ˈæŋ gəl/

Definitions of right angle words

noun right angle the angle formed by two radii of a circle that are drawn to the extremities of an arc equal to one quarter of the circle; the angle formed by two perpendicular lines that intersect; an angle of 90°. 1
noun right angle angle of 90 degrees 1
countable noun right angle A right angle is an angle of ninety degrees. A square has four right angles. 0
noun right angle the angle between two radii of a circle that cut off on the circumference an arc equal in length to one quarter of the circumference; an angle of 90° or π/2 radians 0
noun right angle an angle of 90 degrees; angle made by the meeting of two straight lines perpendicular to each other 0

See all 5 definitions of right angle

Information block about the term

Origin of right angle

First appearance:

before 1350

One of the 20% oldest English words

Middle English word dating back to 1350-1400

Historical Comparancy

Parts of speech for Right angle

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

Full grammatical hierarchy of Right angle

right angle popularity

A pretty common term. Usually people know it’s meaning, but prefer to use a more spread out synonym. About 39% of English native speakers know the meaning and use word.

According to our data about 58% of words is more used. This is a rare but used term. It occurs in the pages of specialized literature and in the speech of educated people.

right angle usage trend in Literature

This diagram is provided by Google Ngram Viewer

Synonyms for right angle

adj right angle

boxlike — a container, case, or receptacle, usually rectangular, of wood, metal, cardboard, etc., and often with a lid or removable cover.
boxy — Something that is boxy is similar to a square in shape and usually plain.
foursquare — consisting of four corners and four right angles; square: a solid, foursquare building.

adjective right angle

angled — set at an angle
equilateral — Having all its sides of the same length.
orthogonal — Mathematics. Also, orthographic. pertaining to or involving right angles or perpendiculars: an orthogonal projection. (of a system of real functions) defined so that the integral of the product of any two different functions is zero. (of a system of complex functions) defined so that the integral of the product of a function times the complex conjugate of any other function equals zero. (of two vectors) having an inner product equal to zero. (of a linear transformation) defined so that the length of a vector under the transformation equals the length of the original vector. (of a square matrix) defined so that its product with its transpose results in the identity matrix.
quadrate — square or rectangular.
quadratic — square.

All 9 Synonyms of right angle