Term: rock bit: a drill bit that has hardened rotating rollers
Candidate hypernym: drilling bit: a bit used in drilling for oil → 1
Candidate hypernym: noradrenaline: a catecholamine precursor of epinephrine that is secreted by the adrenal medulla and also released at synapses → 0
Candidate hypernym: age: a time of life (usually defined in years) at which some particular qualification or power arises → 0
Candidate hypernym: mid-june: the middle part of June → 0
Candidate hypernym: tammy: plain-woven (often glazed) fabric of wool or wool and cotton used especially formerly for linings and garments and curtains → 0
Candidate hypernym: backup file: (computer science) a computer file dedicated to storing and updating computer backups → 0
Candidate hypernym: toadflax: common European perennial having showy yellow and orange flowers; a naturalized weed in North America → 0
Candidate hypernym: stick: a long thin implement resembling a length of wood → 0
Candidate hypernym: opinion: a message expressing a belief about something; the expression of a belief that is held with confidence but not substantiated by positive knowledge or proof → 0
Candidate hypernym: cuterebridae: New World botflies → 0
Candidate hypernym: periodic law: (chemistry) the principle that chemical properties of the elements are periodic functions of their atomic numbers → 0