Other Uses
- Substitution (algebra), replacing occurrences of some symbol by a given value
- Substitution (law), the replacement of a judge
- Substitution (poetry), a variation in poetic scansion
- "Substitution" (song), a song by Silversun Pickups
- Substitution (sport), where a sports team is able to change one player for another during a match
- Substitution (theatre), an acting methodology
- Substitution (economics), switching between alternative consumable goods as their relative prices change
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