Did you know?

Click any word in a definition or example to find the entry for that word

Pronunciation of 

optical

view main entry for opticaladjective biology  /ˈɑptɪk(ə)l/
American English pronunciation: opticalClick to listen to the pronunciation of optical

derived word

optically

  /ˈɑptɪkli/  adverb
American English pronunciation: opticallyClick to listen to the pronunciation of optically

protologism

a new word or phrase invented in the hope that it will become generally used

BuzzWord Article

Open Dictionary

garbage patch

a collection of debris, mostly consisting of plastic, which moves around in the sea …

add a word

Blog

A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.

global English and language change from our blog