sine
noun [C] /saɪn/ (written abbreviation sin) specializedDefinition
› (in a triangle that has one angle of 90°) the ratio of the length of the side opposite an angle less than 90° divided by the length of the hypotenuse (= the side opposite the 90° angle) → Compare cosine, tangentDescribing angles, lines and orientations
(Definition of sine noun from the Cambridge Advanced Learner's Dictionary & Thesaurus
© Cambridge University Press)
Browse related topics
You are looking at an entry to do with Geometry: describing angles, lines & orientations, but you might be interested in these topics from the Mathematics & arithmetic topic area:
- Addition, subtraction, multiplication & division
- Averages
- Branches & types of mathematics
- Calculations & calculating
- Fractions
- Geometrical & mathematical instruments
- Geometrical shapes
- Geometry: bends, loops & curves
- Geometry: parts of geometrical shapes
- Geometry: properties of circles & curves
- Mathematical symbols
- Numbering & counting
- Numbers generally
- Numbers: cardinal, including nought & zero
- Numbers: groups of things according to number
- Numbers: ordinal
- Numbers: single, double & multiple
- Numerical relationships
- Statistics
- Tables, graphs & diagrams
- Terms for numbers
Browse the Dictionary
Browse the Thesaurus
More Results for “sine”
SMART Thesaurus
Synonyms and related words:
- (as) straight as a die idiom
- bisector noun
- bolt upright adverb
- circuitous adjective
- corner noun
- corresponding angle noun
- erect adjective
- grade noun (SLOPE)
- gradient noun
- indirect adjective (NOT STRAIGHT)
- oblique adjective (ANGLE)
- projection noun (DRAWING)
- reflex adjective
- scalene triangle noun
- squarely adverb (STRAIGHT)
- straight adjective, adverb (NOT CURVING)
- supplementary adjective (ANGLE)
- tangent noun (CIRCLE)
- tangent noun (TRIANGLE)
- vertical noun
Word of the Day
ride (out) the storm
to manage not to be destroyed, harmed or permanently affected by the difficult situation you...
Blog
Read our blog about how the English language behaves.
New Words
Find words and meanings that have just started to be used in English, and let us know what you think of them.
