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
Broader: 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 | Unrelated: cost-benefit analysis: an analysis of the cost effectiveness of different alternatives in order to see whether the benefits outweigh the costs
Broader: 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 | Unrelated: dowager: a widow holding property received from her deceased husband
Broader: 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 | Unrelated: virtu: artistic quality
Broader: 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 | Unrelated: union card: a card certifying membership in a labor union
Broader: 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 | Unrelated: bangiaceae: a family of protoctist
Broader: 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 | Unrelated: experiment: a venture at something new or different
Broader: 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 | Unrelated: guarantee: an unconditional commitment that something will happen or that something is true
Broader: 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 | Unrelated: belgian sheepdog: hardy working dog developed in Belgium for herding sheep
Broader: 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 | Unrelated: fossa: monotypic genus of Madagascar civets closely related to palm civets
Broader: 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 | Unrelated: phrenic vein: either of two veins that drain the diaphragm