- another name for magnesium oxide
WordReference Random House Learner's Dictionary of American English © 2026
mag•ne•sia /mægˈniʒə, -ʃə/USA pronunciation
n. [uncountable]
WordReference Random House Unabridged Dictionary of American English © 2026- Drugsa white tasteless substance, magnesium oxide, used as an antacid and laxative.
mag•ne•sia
(mag nē′zhə, -shə),USA pronunciation n.
mag•ne′sian, adj.
Mag•ne•si•a (mag nē′shē ə, -zhē ə),USA pronunciation n.
- Drugsa white, tasteless substance, magnesium oxide, MgO, used in medicine as an antacid and laxative. Cf. milk of magnesia.
- Greek (hē) Magnēsía (líthos) (the stone) of Magnesia; sense development obscure
- Medieval Latin magnēsia
- Middle English: philosophers' stone 1350–1400
Mag•ne•si•a (mag nē′shē ə, -zhē ə),USA pronunciation n.
- Place Namesancient name of Manisa.
Collins Concise English Dictionary © HarperCollins Publishers::
magnesia /mæɡˈniːʃə/ n
'magnesia' also found in these entries (note: many are not synonyms or translations):
magnesium
- magnesium oxide
- magnet
- manganese
- milk
- milk of magnesia
- terra alba
- thoria
- A, a
- brucite
- Manisa
- periclase
- pickeringite