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: chemical element: any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter → 1
Candidate hypernym: cost-benefit analysis: an analysis of the cost effectiveness of different alternatives in order to see whether the benefits outweigh the costs → 0
Candidate hypernym: dowager: a widow holding property received from her deceased husband → 0
Candidate hypernym: virtu: artistic quality → 0
Candidate hypernym: union card: a card certifying membership in a labor union → 0
Candidate hypernym: bangiaceae: a family of protoctist → 0
Candidate hypernym: experiment: a venture at something new or different → 0
Candidate hypernym: guarantee: an unconditional commitment that something will happen or that something is true → 0
Candidate hypernym: belgian sheepdog: hardy working dog developed in Belgium for herding sheep → 0
Candidate hypernym: fossa: monotypic genus of Madagascar civets closely related to palm civets → 0
Candidate hypernym: phrenic vein: either of two veins that drain the diaphragm → 0