Term: optical density: (physics) a measure of the extent to which a substance transmits light or other electromagnetic radiation
Candidate hypernym: density: the amount per unit size → 1
Candidate hypernym: knot: a sandpiper that breeds in the Arctic and winters in the southern hemisphere → 0
Candidate hypernym: molding: the act of creating something by casting it in a mold → 0
Candidate hypernym: burqa: a loose garment (usually with veiled holes for the eyes) worn by Muslim women especially in India and Pakistan → 0
Candidate hypernym: command module: a space module in which astronauts can live and control the spacecraft and communicate with earth → 0
Candidate hypernym: ball-buster: a demanding woman who destroys men's confidence → 0
Candidate hypernym: coue: French psychotherapist who claimed that if one imagined one was getting better, one would get better (1857-1926) → 0
Candidate hypernym: drunkard: a chronic drinker → 0
Candidate hypernym: discovery: something that is discovered → 0
Candidate hypernym: doctor of science: an honorary degree in science → 0
Candidate hypernym: gonococcus: the pus-producing bacterium that causes gonorrhea → 0