magnesia

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.

• (General American) IPA^(key): /ˌmæɡˈniʒə/

• Audio (Southern England):

  (file)

• Hyphenation: mag‧ne‧sia
• Rhymes: -iːʒə

magnesia (countable and uncountable, plural magnesias)

1. (mineralogy) magnesium oxide
   • 1846, editorial staff, “CHEMISTRY”, in Scientific American, series 1, Volume 2, Issue 13, page 102:

     Four of the earths, namely, lime, baryta, strontia, and magnesia, possess alkaline properties to a considerable extent, and are hence called alkaline earths.

   • 1875, Journal of the Bath and West of England Society and Southern Counties Association for the Encouragement of Agriculture, Arts, Manufactures, and Commerce, volumes 7-8, page 133:

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

• magnesiferous
• magnet

• Magnesium oxide on Wikipedia.Wikipedia

• mesangia, ænigmas

Borrowed from Medieval Latin magnesia.

magnesia f (plural magnesie)

1. (mineralogy) magnesia

• latte di magnesia

• (Classical Latin) IPA^(key): [maŋˈneː.si.a]
• (modern Italianate Ecclesiastical) IPA^(key): [maɲˈɲɛː.s̬i.a]

magnēsia

1. nominative/accusative/vocative plural of magnēsium

From Medieval Latin magnesia, from Ancient Greek μαγνησία (magnēsía).

magnesia m (definite singular magnesiaen, uncountable)

1. (chemistry) magnesia

   Synonyms: magnesiumkarbonat, magnesiumoksid

• magnesium

• “magnesia” in The Bokmål Dictionary.
• “magnesia” in Det Norske Akademis ordbok (NAOB).

From Medieval Latin magnesia, from Ancient Greek μαγνησία (magnēsía).

magnesia m (definite singular magnesiaen, uncountable)

1. (chemistry) magnesia

   Synonyms: magnesiumkarbonat, magnesiumoksid

• magnesium

• “magnesia” in The Nynorsk Dictionary.

Borrowed from Medieval Latin magnesia.

magnesia f (plural magnesias)

1. magnesia

• "magnesia", in dicodòc: multidiccionari occitan (oc→fr)
• Diccionari General de la Lenga Occitana‎^[1], L’Academia occitana – Consistòri del Gai Saber, 2008-2025, page 418

Borrowed from Ancient Greek Μαγνησία (λίθος) (Magnēsía (líthos), “(stone of) Magnesia”), name of several minerals from the region in Asia Minor.

• IPA^(key): /maɡˈnesja/ [maɣ̞ˈne.sja]
• Rhymes: -esja
• Syllabification: mag‧ne‧sia

magnesia f (plural magnesias)

1. (mineralogy) magnesia

• “magnesia”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025