Half-open may refer to:
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Half-open file
In chess, a half-open file (or semi-open file) is a with pawns of only one color. The half-open file can provide a line of attack for a player's rook or queen. A half-open file is generally exploited by the player with no pawns on it.
Many ...
in chess
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Half-open vowel
An open-mid vowel (also mid-open vowel, low-mid vowel, mid-low vowel or half-open vowel) is any in a class of vowel sound used in some spoken languages. The defining characteristic of an open-mid vowel is that the tongue is positioned approximat ...
, a class of vowel sound
Computing and mathematics
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Half-open interval
In mathematics, a real interval is the set of all real numbers lying between two fixed endpoints with no "gaps". Each endpoint is either a real number or positive or negative infinity, indicating the interval extends without a bound. A real in ...
, an interval containing only one of its endpoints
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Half-open line segment
In geometry, a line segment is a part of a line (mathematics), straight line that is bounded by two distinct endpoints (its extreme points), and contains every Point (geometry), point on the line that is between its endpoints. It is a special c ...
, a line segment containing only one of its endpoints
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TCP half-open
The term half-open refers to TCP connections whose state is out of synchronization between the two communicating hosts, possibly due to a crash of one side. A connection which is in the process of being established is also known as embryonic conn ...
, a TCP connection out of synchronization
See also
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Half-closed
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Clopen
In topology, a clopen set (a portmanteau of closed-open set) in a topological space is a set which is both open and closed. That this is possible may seem counterintuitive, as the common meanings of and are antonyms, but their mathematical def ...
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