kinetic constant

[kɪˈnɛtɪk ˈkɑnstənt]
nounpl: kinetic constants
constante cinética
1. A numerical value in chemical kinetics that characterizes the rate of a chemical reaction, typically expressed as the rate constant (k) in rate equations
The kinetic constant for this reaction increases exponentially with temperature according to the Arrhenius equation.
A constante cinética para esta reação aumenta exponencialmente com a temperatura de acordo com a equação de Arrhenius.
2. A parameter used in enzyme kinetics to describe substrate binding affinity and catalytic efficiency, such as Km or Vmax
The Michaelis constant (Km) is an important kinetic constant that indicates enzyme-substrate affinity.
A constante de Michaelis (Km) é uma constante cinética importante que indica a afinidade enzima-substrato.
This is a technical scientific term used primarily in academic and research contexts in both Brazil and Portugal. The term is standardized across Portuguese-speaking scientific communities and is essential in chemistry, biochemistry, and pharmacology curricula. No colloquial variations exist.
Synonyms / Sinônimos
rate constantreaction rate constantvelocity constantrate coefficient

Regional Variations

General Brazilian Portuguese
constante cinética
standard term used in chemistry and biochemistry courses
Portugal
constante cinética
identical usage to Brazilian Portuguese
Academic/Scientific
constante de velocidade
alternative technical term emphasizing the velocity aspect

Related Words

Arrhenius equationactivation energyreaction ratechemical kineticsMichaelis constantenzyme kineticsrate law
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