Dual
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Template:Wiktionary A dual is a pair or a grouping of two. "Dual" is also the name for many things:
- Dual is a brand name for Hifi equipment, mostly known for vinyl record players.
- Dual! is the name of an anime series, Dual! Parallel Trouble Adventure
- In some languages, in addition to the singular and plural numbers there is also a dual number, which is used when exactly two people or things are meant.
- A simultaneous application of a P type and N type fertilizer
- For several meanings of "dual" in mathematics, see Duality (mathematics)