Silicon is a member of Group 14 (IVA) in the periodic table. The periodic table is a chart that shows how chemical elements are related to one another. Silicon is also part of the the carbon family. Other carbon family elements include carbon, germanium, tin, and lead. Silicon is a metalloid, one of only a very few elements that have characteristics of both metals and non-metals. Silicon is the second most abundant element in the Earth's crust, exceeded only by oxygen. Many rocks and minerals contain silicon.
circumscribe meaning, definition, what is circumscribe: to limit something: . Learn more.
Historical Examples. 1  Besides this its power of flotationâsuspension in the airâis circumscribed. 2  He could not work, and the walks he could take were circumscribed. 3  Her life had been circumscribed, her experiences of a simple sort. 4  The limited opportunities of small states have circumscribed his information.