1. catecholamine

noun. any of a group of chemicals including epinephrine and norepinephrine that are produced in the medulla of the adrenal gland.


  • adrenaline
  • Adrenalin
  • epinephrine
  • endocrine
  • norepinephrine
  • epinephrin
  • noradrenaline
  • internal secretion

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Example sentences of the word catecholamine

1. Noun, singular or mass
When you are under stress, your brain signals the adrenal glands to produce more of the catecholamine adrenaline.