4 English Synonyms for CATALYST

Definition: 1. An external phenomenon that has an influence on a system, by triggering or modifying an internal phenomenon; for example, a spur or incentive that drives a person to take action or change behaviour.

There are 3 definitions of the word stimulus

Show more information about stimulus

Definition: 1. (idiomatic, almost always preceded by the) The person who stimulates or inspires a group; the major factor affecting a trend or set of developments.

Show more information about straw that stirs the drink

Definition: 1. The part of an internal combustion engine which forms a high-voltage electric spark which ignites the fuel-air mixture to begin the power stroke.

There are 3 definitions of the word spark plug

Show more information about spark plug

Definition: 1. One who, or that which, quickens, hastens, or speeds up an object or action.

There are 2 definitions of the word quickener

Show more information about quickener