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