Longman Dictionary of Contemporary English homepage

protractor

 noun
     
protractor
NEW! See related topics: MATHS
pro‧trac‧tor [countable]
HM a piece of plastic in the shape of a half-circle, which is used for measuring and drawing angles
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.
 
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

ADVERTISING AND MARKETINGANIMALSBANKING
BIOLOGYBUSINESS BASICSCOMPUTERS
CLOTHESDAILY LIFEEDUCATION
FINANCEFOODGRAMMAR
HAIR AND BEAUTYHUMANLAW
MUSICNATURESPORT
STOCKS AND SHARESTECHNOLOGYTRADE