Term: control rod: a steel or aluminum rod that can be moved up or down to control the rate of the nuclear reaction
Candidate hypernym: instrumentality: an artifact (or system of artifacts) that is instrumental in accomplishing some end → 1
Candidate hypernym: cyclooxygenase-2: an enzyme that makes prostaglandins that cause inflammation and pain and fever → 0
Candidate hypernym: metamorphosis: a complete change of physical form or substance especially as by magic or witchcraft → 0
Candidate hypernym: esophagitis: inflammation of the esophagus; often caused by gastroesophageal reflux → 0
Candidate hypernym: battledore: an ancient racket game → 0
Candidate hypernym: mutuality: a reciprocality of sentiments → 0
Candidate hypernym: reagan administration: the executive under President Reagan → 0
Candidate hypernym: chalkpit: a quarry for chalk → 0
Candidate hypernym: lunch: a midday meal → 0
Candidate hypernym: folk dancing: a style of dancing that originated among ordinary people (not in the royal courts) → 0
Candidate hypernym: gonorhynchus: slender cylindrical marine fishes lacking air bladders and teeth → 0