A device, chamber, or apparatus designed for straining or filtering liquids; a laboratory straining instrument.
From Latin 'colatorium,' derived from 'colare' (to strain) with the suffix '-torium' (place where something is done), literally meaning 'a place for straining.'
A colatorium was basically an ancient laboratory tool—Romans used them for filtering wine, preparing medicines, and other work. It's a reminder that every modern laboratory technique has ancient roots.
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