This glossary includes more than 300 solar terms, as well as hundreds of additional sustainable design and construction terms.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AllDefinition: Energy level at which the probability of finding an electron is one-half. In a metal, the Fermi level is very near the top of the filled levels in the partially filled valence band. In a semiconductor, the Fermi level is in the band gap.