Term: silicon: a tetravalent nonmetallic element; next to oxygen it is the most abundant element in the earth's crust; occurs in clay and feldspar and granite and quartz and sand; used as a semiconductor in transistors
Candidate hypernym: semiconductor: a substance as germanium or silicon whose electrical conductivity is intermediate between that of a metal and an insulator; its conductivity increases with temperature and in the presence of impurities → 1
Candidate hypernym: arecidae: one of four subclasses or superorder of Monocotyledones; comprises about 6400 species in 5 families of trees and shrubs and terrestrial herbs and a few free-floating aquatics including: Palmae; Araceae; Pandanaceae and Lemnaceae → 0
Candidate hypernym: judiciary: persons who administer justice → 0
Candidate hypernym: medical building: building where medicine is practiced → 0
Candidate hypernym: hijack: seizure of a vehicle in transit either to rob it or divert it to an alternate destination → 0
Candidate hypernym: pachyrhizus: small genus of tropical vines having tuberous roots → 0
Candidate hypernym: breathing device: a device that facilitates breathing in cases of respiratory failure → 0
Candidate hypernym: commencement day: the day on which university degrees are conferred → 0
Candidate hypernym: dipole: an aerial half a wavelength long consisting of two rods connected to a transmission line at the center → 0
Candidate hypernym: medicine: the branches of medical science that deal with nonsurgical techniques → 0
Candidate hypernym: kiggelaria: small genus of South African shrubs or small trees → 0