Term: quaternary ammonium compound: a compound derived from ammonium with hydrogen atoms replaced by organic groups; used as surface-active agents, disinfectants, and in drugs
Candidate hypernym: matter: that which has mass and occupies space → 1
Candidate hypernym: watercolor: a water-base paint (with water-soluble pigments); used by artists → 0
Candidate hypernym: posterior pituitary: the posterior lobe of the pituitary body; primarily glandular in nature → 0
Candidate hypernym: genus araucaria: a genus of the araucaria family → 0
Candidate hypernym: log: a segment of the trunk of a tree when stripped of branches → 0
Candidate hypernym: knuckle joint: a joint allowing movement in one plane only → 0
Candidate hypernym: eumetopias: sea lions → 0
Candidate hypernym: scribble: poor handwriting → 0
Candidate hypernym: sassafras: dried root bark of the sassafras tree → 0
Candidate hypernym: gratuity: an award (as for meritorious service) given without claim or obligation → 0
Candidate hypernym: serf: (Middle Ages) a person who is bound to the land and owned by the feudal lord → 0