Domain Definition

dō-mān
domains
noun
domains
Territory under one government or ruler; dominion.
Webster's New World
Supreme ownership.
Webster's New World
Field or sphere of activity or influence.
The domain of science.
Webster's New World
An open connected set that contains at least one point.
American Heritage
Land belonging to one person; estate.
Webster's New World

Other Word Forms of Domain

Noun

Singular:
domain
Plural:
domains

Origin of Domain

  • From Middle English demeine, demain (“rule”), Old French demeine, demaine, demeigne, domaine (“power”), (French domaine), from Latin dominium (“property, right of ownership”), from dominus (“master, proprietor, owner”). See dame, and confer demain, danger, dungeon.

    From Wiktionary

  • French domaine blend of Old French demaine (from Late Latin dominicum) Latin dominium property both from dominus lord dem- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

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