hormone

hor-mone · noun

imported

Definitions

noun

  1. 1.

    A regulatory substance produced in an organism and transported in tissue fluids to stimulate specific cells or tissues into action.

  2. 2.

    A synthetic substance with similar effects to a natural hormone.

Forms

plural: hormones

Related words

See also: estrogen, insulin, testosterone

Etymology

From Greek hormōn "that which sets in motion," present participle of horman "to impel, urge on."