Pronounced: bih-HOOF, noun
Notes: I thought that this may be riding something with hooves (but no)
The word serotonin meaning is hard to determine: I seem to be getting conflicting definitions: The original place I retrieved the word from says that our word is “a hormone that, like dopamine, heightens feelings of well-being, happiness, and euphoria”. However, dictionary.com says that it is a neurotransmitter “involved in sleep, depression, and memory” (and other things).
Our word came into English in the 1940s
Background / Comments
A complex definition… Our word comes from sero- (serum) and tone (a sound) and -in (suffix used to make nouns in chemistry). I’m not sure how “tone” fits into this definition; it was hard to get a good information about this word.