hal‧o‧gen /ˈhælədʒ
ən/
noun [uncountable][
Date: 1800-1900;
Language: Swedish;
Origin: Greek hals 'salt']
1. a halogen light uses halogen gas to produce light
halogen bulb/lamp/light etc2. one of a group of five simple chemical substances that make
compounds easily
[TahlilGaran] Dictionary of Contemporary English ▲