▪ a discrete region of magnetism in ferromagnetic material.
▪ a distinct subset of the internet with addresses sharing a common suffix or under the control of a particular organization or individual.
▪ the set of possible values of the independent variable or variables of a function.
Word Originlate Middle English (denoting heritable or landed property): from French domaine, alteration (by association with Latin dominus ‘lord’) of Old French demeine ‘belonging to a lord’ (see demesne).