Michaelis-Menten is not a verb in standard usage; it is a proper noun used to name a famous enzyme kinetics model. In practice, it refers to the Michaelis–Menten equation that describes the rate of enzymatic reactions. People also use it adjectivally in phrases like 'Michaelis–Menten kinetics.' The term combines surnames (Michaelis, Menten) and is pronounced with attention to the two hyphenated parts in scientific contexts.
Full pronunciation guide