RIGHT ANGLE

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does right angle mean? 

• RIGHT ANGLE (noun)
  The noun RIGHT ANGLE has 1 sense:

1. the 90 degree angle between two perpendicular lines

  Familiarity information: RIGHT ANGLE used as a noun is very rare.

 Dictionary entry details 

• RIGHT ANGLE (noun)

Sense 1

Meaning:

The 90 degree angle between two perpendicular lines

Classified under:

Nouns denoting two and three dimensional shapes

Hypernyms ("right angle" is a kind of...):

angle (the space between two lines or planes that intersect; the inclination of one line to another; measured in degrees or radians)

Meronyms (parts of "right angle"):

grad; grade (one-hundredth of a right angle)

Antonym:

oblique angle (an angle that is not a right angle or a multiple of a right angle)

 Context examples 

There was a little passage in front of me, unpapered and uncarpeted, which turned at a right angle at the farther end.

(The Adventures of Sherlock Holmes, by Sir Arthur Conan Doyle)

Half-way down this staircase is a small landing, with another passage running into it at right angles.

(The Memoirs of Sherlock Holmes, by Sir Arthur Conan Doyle)

At a right angle to a given line or plane.

(Perpendicular, NCI Thesaurus)

Light can be described as a wave of electric and magnetic fields that vibrate in directions at right angles to each other and to their direction of travel.

(Planck Takes Magnetic Fingerprint of Our Galaxy, JPL/NASA)

A straight line through a body or figure that is at a right angle to a given line or plane.

(Perpendicular Axis, NCI Thesaurus)

Slowly the mast swung in until it balanced at right angles across the rail; and then I discovered to my amazement that there was no need for Maud to slack away.

(The Sea-Wolf, by Jack London)

At the further end the road cut it across at right angles.

(Rodney Stone, by Sir Arthur Conan Doyle)

The longest possible straight line or plane through a body or figure that is at a right angle to a given line or plane.

(Longest Perpendicular, NCI Thesaurus)

Five or six miles from the lair, the stream divided, its forks going off among the mountains at a right angle.

(White Fang, by Jack London)

I tried and found by experiment that the tide kept sweeping us westward until I had laid her head due east, or just about right angles to the way we ought to go.

(Treasure Island, by Robert Louis Stevenson)