Longman Dictionary of Contemporary English homepage

Date: 1600-1700
Language: Modern Latin
Origin: trigonometria, from Greek trigonon 'triangle' + -metria 'measuring'

trigonometry

noun
     
Related topics: Maths
trig‧o‧nom‧e‧try [uncountable]
HM the part of mathematics concerned with the relationship between the angles and sides of triangles

Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.

Explore our topic dictionary