Term: thermionics: the branch of electronics dealing with thermionic phenomena (especially thermionic vacuum tubes)
Candidate hypernym: electronics: the branch of physics that deals with the emission and effects of electrons and with the use of electronic devices → 1
Candidate hypernym: congener: a minor chemical constituent that gives a wine or liquor its distinctive character → 0
Candidate hypernym: trial: an annoying or frustrating or catastrophic event → 0
Candidate hypernym: police precinct: a precinct in which law enforcement is the responsibility of particular police force → 0
Candidate hypernym: automation: equipment used to achieve automatic control or operation → 0
Candidate hypernym: motel: a motor hotel → 0
Candidate hypernym: parlormaid: a maid in a private home whose duties are to care for the parlor and the table and to answer the door → 0
Candidate hypernym: control: a relation of constraint of one entity (thing or person or group) by another → 0
Candidate hypernym: telephone receiver: earphone that converts electrical signals into sounds → 0
Candidate hypernym: prosperity: an economic state of growth with rising profits and full employment → 0
Candidate hypernym: white clover: creeping European clover having white to pink flowers and bright green leaves; naturalized in United States; widely grown for forage → 0