Learn Chemistry: Glossary


A glossary for Learn Chemistry explaining the meaning of chemistry terms used within this site.

Type of Activity

group work, working independently



Age Group

16 to Undergraduate
Term Definition
High Performance Liqid Chromatography (HPLC) A form of analytical or preparative chromatography where the mobile phase is forced through a chromatography column under high pressure.
Hirsch funnel A ceramic funnel with a perforated plate onto which flat filter paper is placed for the purpose of a reduced pressure filtration. A Hirsch funnel is similar to a Buchner funnel but smaller.
Hygroscopic Readily absorbs moisture from the air.