Magnesia

//ˌmæɡˈniʒə// name, noun

name, noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    magnesium oxide countable, uncountable

    "The apocrenates of iron and manganese are slightly soluble; those of lime, magnesia and alumina are insoluble."

  2. 2
    a white solid mineral that occurs naturally as periclase; a source of magnesium wordnet
Proper Noun
  1. 1
    A region that is home to the city of Volos, located in the southwestern tip of Thessaly in north central Greece.

Example

More examples

"Serpentine is a greenish rock, a silicate of magnesia, in which there is sometimes from 30 to 40 per cent of magnesia."

Etymology

Etymology 1

From Middle English magnesia, from Late Latin magnesia, from Ancient Greek μαγνησία (magnēsía), after Μαγνησία (Magnēsía), a name of several cities (in Thessaly, Lydia, and Asia Minor). Doublet of Magnesia, magnesium, and manganese, and related to magnet.

Etymology 2

From Ancient Greek Μαγνησία (Magnēsía).

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.