Longman Dictionary of Contemporary English homepage

Date: 1500-1600
Language: Medieval Latin
Origin: filamentum, from Latin filum 'thread'

filament

 noun
     
filament
Related topics: Daily Life, Technology, Electricity
fil‧a‧ment [countable]
TD a very thin thread or wire:
an electric filament
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

Browse the dictionary