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Definition of Boundary
1. Noun. The line or plane indicating the limit or extent of something.
Specialized synonyms: Hairline, Frontier, Heliopause, Border, Borderline, Boundary Line, Delimitation, Mete, Bourn, Bourne, District Line, County Line, City Line, Border, Edge, End, Demarcation, Demarcation Line, Limit, Lineation, Outline, Surface, Shoreline
Generic synonyms: Extremity
Specialized synonyms: Rubicon, Moho, Mohorovicic Discontinuity
Derivative terms: Bound, Bound, Bound
2. Noun. A line determining the limits of an area.
Generic synonyms: Line
Specialized synonyms: Rim, Border, Margin, Perimeter, Fringe, Outer Boundary, Periphery, Brink, Threshold, Verge, Upper Bound, Lower Bound, Thalweg
Derivative terms: Bound, Bound, Bound, Edge
3. Noun. The greatest possible degree of something. "To the limit of his ability"
Generic synonyms: Extent
Specialized synonyms: Knife-edge, Absoluteness, Starkness, Utterness, Heat Barrier, Thermal Barrier, Level Best, Maximum, Utmost, Uttermost, Brink, Verge
Derivative terms: Limit, Limit, Limit
Definition of Boundary
1. n. That which indicates or fixes a limit or extent, or marks a bound, as of a territory; a bounding or separating line; a real or imaginary limit.
Definition of Boundary
1. Noun. The dividing line or location between two areas. ¹
2. Noun. (cricket) An edge or line marking an edge of the playing field. ¹
3. Noun. (cricket) An event whereby the ball is struck and either touches or passes over a boundary (with or without bouncing), usually resulting in an award of 4 (a four) or 6 (a six) runs respectively for the batting team. ¹
4. Noun. (topology) (context: of a set) the set of points in the closure of a set , not belonging to the interior of that set. ¹
¹ Source: wiktionary.com
Definition of Boundary
1. a dividing line [n -ARIES]