Word family noun thick thickness thickener thickening thicko adjective thick verb thicken adverb thickly 
From Longman Dictionary of Contemporary Englishthickenerthick‧en‧er /ˈθɪkənə, ˈθɪknə $ -ər/ (also thickening /ˈθɪkənɪŋ, ˈθɪknɪŋ/) noun [countable, uncountable]  THICK LIQUIDa substance used to thicken a liquid 
