His diet was restricted to 'liquids'. = He was on a 'liquid diet'.
They offered us snacks and 'liquid refreshments'. [='drinks']
the 'liquid' grace of the dancer's movements
(..) - Hang on, Penny. How about fans? Here and here. Also inefficient, and might be loud. How about liquid coolant? Maybe a little aquarium pump here, run some quarter-inch PVC... Guys, this is actually really simple. Hold on, honey. Men at work. (..)2007 TvShow: The Big Bang Theory Title: The Big Bran Hypothesis Season: 1 Episode 2