Full Definition of SEMICONDUCTOR. : any of a class of solids (as germanium or silicon) whose electrical conductivity is between that of a conductor and that of an insulator in being nearly as great as that of a metal at high temperatures and nearly absent at low temperatures.ull Definition of SEMICONDUCTOR. : any of a class of solids (as germanium or silicon) whose electrical conductivity is between that of a conductor and that of an insulator in being nearly as great as that of a metal at high temperatures and nearly absent at low temperatures.
Do-It-Yourself Christmas Ornaments. These do it yourself Christmas ornaments, made of sticks and yarn, can be a fun project for the whole family. Add a unique touch to your do it yourself Christmas ornaments by using multiple yarn colors. Content Tools.
Christmas decorations are typically put up in late November or early December, usually to coincide with the start of Advent. In the UK, Christmas lights on the high street are generally switched on in November. In the U.S., the traditional start of Christmas time is Thanksgiving.