Longman Dictionary of Contemporary English homepage

Topic: ELEMENTS

Date: 1800-1900
Language: Greek
Origin: xenos 'strange' (because it is rare)

xenon

noun
     
xen‧on [uncountable]
HCE a colourless gas that is found in very small quantities in the air. It is a chemical element: symbol Xe
Word of the Day
The ELEMENTS
Word of the Day is:

Other related topics