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1.telecommute: to work at home by the use of an electronic linkup with a central office
ex : The company now allows some of its employees to telecommute.
2.lunatic:designed for the care of insane persons
ex : He hatched a lunatic plot to overthrow the government.
3.semiconductor : something that a small amount of electricity can pass through
ex : The sunlight falls on the boundary between the two different types of semiconductors in the photovoltaic cell.
4.semiannual: occurring every six months or twice a year
ex : My semiannual visit to my cousin.
5.semicircle: a half of a circle
ex : The children sat in a semicircle.
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