The meaning of DEMARCATION is the marking of the limits or boundaries of something : the act, process, or result of demarcating something. How to use demarcation in a sentence.

DEMARCATION definition: 1. a border or a rule that shows the limits of something or how things are divided: 2. a border or…. Learn more.

DEMARCATION definition: the determining and marking off of the boundaries of something. See examples of demarcation used in a sentence.

de•mar•ca•tion or de•mar•ka•tion (ˌdi mɑrˈkeɪ ʃən) n. 1. the determining and marking off of the boundaries of something. 2. separation by distinct boundaries: line of demarcation.

Definition of demarcation noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

demarcation, n. meanings, etymology, pronunciation and more in the Oxford English Dictionary

Nov 1, 2025 · demarcation (countable and uncountable, plural demarcations) The act of marking off a boundary or setting a limit, notably by belligerents signing a treaty or ceasefire.

Demarcation is the establishment of boundaries or limits separating two areas, groups, or things.

A demarcation is a line, boundary, or other conceptual separation between things. Geographically, a demarcation might be the border that separates two countries or the river that divides two regions.

Centuries later, English speakers began calling this boundary the "line of demarcation," and eventually applied that phrase to other dividing lines as well. By the early 19th century, demarcation had been …