different between monoamine vs phenethylamine

English

mono- +? -amine

monoamine (plural monoamines)

(chemistry, biochemistry) Any compound having a single amino functional group, especially a neurotransmitter.
- 1999, Matt Ridley, Genome, Harper Perennial 2004, p. 167:
  Dopamine and norepinephrine are so-called monoamines.
- 2001, Leslie Iversen, Drugs: A Very Short Introduction, Oxford 2001, p. 55:
  The first effective drugs used to treat clinical depression were compounds that act by enhancing the activity of chemicals known as monoamines in the brain.

phenethylamine (countable and uncountable, plural phenethylamines)

(uncountable, organic chemistry) An aromatic amine which is a colorless liquid at room temperature.
(countable, organic chemistry) Any of a group of compounds derived from that amine.
(biochemistry) A monoamine neurotransmitter and neuromodulator found in the brain.

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