Substitute
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Substitute may mean:
In sport:
A person who replaces an exiting competitor during the course of a game, as permitted by the laws of the game. Such replacements are generally made for tactical reasons, or when a player becomes tired or injured.
Examples include:
- Football (soccer) - see Substitute (football)
- Cricket - see Substitute (cricket)
- Interchange (Australian rules football), in Australian Rules Football
Other uses:
- A substitute teacher, a temporary replacement that takes over in a teacher's absence.
- Substitute character, the hexadecimal code number 0x1A in the ASCII character set.
- Substitution property of equality, an operation used in mathematics.
- Substitute good, a classification of goods or services in economic theory.
- "Substitute" (song), a 1966 song by The Who appearing on the album Meaty Beaty Big and Bouncy
- Substitution (law), a legal right to change a judge that may be biased.
- Substitute flag, part of the international maritime signal flag set
- Substitute chord, an alternative chord used in jazz harmony
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