con‧di‧tion‧er /kənˈdɪʃənə $ -ər/ noun [uncountable and countable]
[Word Family: noun: condition, precondition, conditioner, conditioning; verb: condition; adverb: conditionally ≠ unconditionally; adjective: conditional ≠ unconditional]

1. a liquid that you put onto your hair after washing it to make it softer

2. British English a liquid that you wash clothes in to make them softer Synonym : softener American English

[TahlilGaran] Dictionary of Contemporary English ▲