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Glossary

Terms for Architecture, Green Building & Energy


This glossary includes more than 300 solar terms, as well as hundreds of additional sustainable design and construction terms.

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Blocking Diode

Definition: A semiconductor connected in series with a solar cell or cells and a storage battery to keep the battery from discharging through the cell when there is no output, or low output, from the solar cell. It can be thought of as a one-way valve that allows electrons to flow forwards, but not backwards.