Quat may refer to:
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Quaternary ammonium cation
In organic chemistry, quaternary ammonium cations, also known as quats, are positively-charged polyatomic ions of the structure , where R is an alkyl group, an aryl group or organyl group. Unlike the ammonium ion () and the primary, secondary, ...
s, known as quats
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Elizabeth Quat (born 1966), Hong Kong politician
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Phan Huy Quát, former prime minister of South Vietnam
See also
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Qat (disambiguation)
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Quaternary (disambiguation)
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Quaternion
In mathematics, the quaternion number system extends the complex numbers. Quaternions were first described by the Irish mathematician William Rowan Hamilton in 1843 and applied to mechanics in three-dimensional space. The algebra of quater ...
, an extension of the complex numbers
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Khat
Khat (''Catha edulis''), also known as Bushman's tea, especially in South Africa, is a flowering plant native to eastern and southeastern Africa. It has a history of cultivation originating in the Harar area (present day eastern Ethiopia) and ...
, a flowering plant whose leaves are chewed as a stimulant
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