# Glossary

The following abbreviations are used in Cantera, both in documentation and in
the names of variables and classes:

{.glossary}
CK
: Chemkin

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CSTR
: [Continuous stirred tank reactor](/examples/python/reactors/continuous_reactor)

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CT
: Cantera

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CTI
: Cantera Input *(Removed in Cantera 3.0)*

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CTML
: Cantera Markup Language *(Removed in Cantera 3.0)*

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DAE
: Differential algebraic equation

{.glossary}
EOS / EoS
: Equation of state

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HKFT
: Helgeson-Kirkham-Flowers-Tanger

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HMW
: Harvie, Møller, and Weare

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IAPWS
: International Association for the Properties of Water and Steam

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IDT
: Ignition delay time

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MFTP
: Mixture Fugacity ThermoPhase

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NTC
: Negative temperature coefficient

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ODE
: Ordinary differential equation

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PDSS
: Pressure-dependent standard state

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PFR
: [Plug flow reactor](./reactors/pfr)

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PSR
: [Perfectly stirred reactor](/examples/python/reactors/continuous_reactor)

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RT
: Product of the universal gas constant (R) and the temperature

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SHE
: Single half-electrode

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SP
: Surface Problem

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SS
: Standard state

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SSTP
: SingleSpeciesTP (ThermoPhase)

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STIT
: SpeciesThermoInterpType

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VCS
: Villars Cruise Smith

{.glossary}
VPSS
: Variable Pressure Standard State

{.glossary}
VPSSTP
: Variable Pressure Standard State ThermoPhase

{.glossary}
wrt
: with respect to

{.glossary}
WSR
: [Well-stirred reactor](/examples/python/reactors/continuous_reactor)