noun. a neurotransmitter involved in e.g. sleep and depression and memory.
- monoamine neurotransmitter
noun. a liver enzyme that is responsible for producing cholesterol.
- HMG-CoA reductase
adjective. of a chemical compound having a ring with five members.
noun. a game in which a pitcher allows the opposing team 5 hits.
- baseball game
adjective. being one more than four.
noun. the cardinal number that is the sum of four and one.
- Little Phoebe