Longman Dictionary of Contemporary English homepage

diffract

verb
     
Related topics: Optics
dif‧fract [transitive] technical
HPOHPO to bend light or sound waves as they pass around something or through a hole [↪ refract]
diffraction noun [uncountable]

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