Term: corrugation: a ridge on a corrugated surface
Candidate hypernym: ridge: any long raised strip → 1
Candidate hypernym: hygiene: a condition promoting sanitary practices → 0
Candidate hypernym: base on balls: (baseball) an advance to first base by a batter who receives four balls → 0
Candidate hypernym: huckster: a person who writes radio or tv advertisements → 0
Candidate hypernym: conventicle: a building for religious assembly (especially Nonconformists, e.g., Quakers) → 0
Candidate hypernym: audio system: a system of electronic equipment for recording or reproducing sound → 0
Candidate hypernym: rat: a pad (usually made of hair) worn as part of a woman's coiffure → 0
Candidate hypernym: stretch: a straightaway section of a racetrack → 0
Candidate hypernym: commercial letter of credit: a letter of credit given to a business concern for commercial purposes → 0
Candidate hypernym: assault: close fighting during the culmination of a military attack → 0
Candidate hypernym: grooving: the cutting of spiral grooves on the inside of the barrel of a firearm → 0