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slower

n.
US //ˈsɫoʊɝ// UK //slˈəʊɐ// slow·er
  1. 1 something that reduces speed (n.)
    C2 Proficiency Technical Science

    something that makes a process or a machine go more slowly.

    an agent, substance, or device that reduces the speed or rate of a process.

    Example

    The scientist added a chemical slower to the mixture to stop it from reacting too fast.

    Example

    The addition of a chemical slower was necessary to moderate the reaction rate and prevent a thermal runaway within the reactor core.

    Usage

    rarely used in general conversation; typically found in chemistry or engineering contexts.

Origin

From slow + -er.

Word family
Idioms1 entry

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