thin ‧ ner /ˈθɪnə $ -ər/ BrE AmE noun [uncountable]
[ Word Family: noun : ↑ thinness , ↑ thinner ; adjective : ↑ thin , ↑ thinning ; verb : ↑ thin ; adverb : ↑ thinly ]
a liquid such as ↑ turpentine that you add to paint to make it less thick
thin ‧ ner /ˈθɪnə $ -ər/ BrE AmE noun [uncountable]
[ Word Family: noun : ↑ thinness , ↑ thinner ; adjective : ↑ thin , ↑ thinning ; verb : ↑ thin ; adverb : ↑ thinly ]
a liquid such as ↑ turpentine that you add to paint to make it less thick
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012