Definition of de forest in English English dictionary
United States electrical engineer who in 1907 patented the first triode vacuum tube, which made it possible to detect and amplify radio waves (1873-1961)
If an area is deforested, all the trees there are cut down or destroyed. 400,000 square kilometres of the Amazon basin have already been deforested. + deforestation de·for·esta·tion the ecological crisis of deforestation