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
Manometer A device used to measure pressure in reduced pressure distillations.
Micro (Bunsen) burner A small gas burner which is used to heat test tubes and boiling tubes.
Micropipette Used to spot TLC plates.
Mobile phase The solvent that is used in a chromatographic separation (see also Eluent).
Molality A concentration term expressed as mole per kilogram of solution.
Molarity A concentration term expressed as mole per cubic decimeter.
Mull A paste of a finely ground solid sample in Nujol (a paraffin oil) used as a sample in Infra Red spectroscopy.