- Churchwarden by Webster's
... n.) A clay tobacco pipe, with a long tube.(n.) One of the officers (usually two) in an Episcopal church, whose duties vary in different dioceses, but always include the provision of what is necessary for the communion service.
- Kenotron by Great Soviet Encyclopedia
... or etched ribbed anodes (usually two). High-voltage kenotrons (voltage up to 100 kV, current up to 500 milliamperes) have an oxide or carbonized cathode and also one blackened ribbed anode. With the development of semiconductor technology, kenotrons are gradually being replaced by semiconductor diodes.REFERENCEBatushev, G. A. Elektronnye pribory. Moscow, 1969.
- Pneumatic Relay System by Great Soviet Encyclopedia
a system designed to perform algebraic and logic operations on pneumatic signals that assume a finite number of values (usually two)—for example, the ambient pressure, which is made to correspond to “0,” and the supply pressure, which is made to correspond to “1.”The first pneumatic relay system for practical use was developed in the USSR ...
- eagle by Kaleb Ellis
... 1,000 pounds. The eaglets (usually two) do not develop adult markings until their third year, when they leave parental protection and seek their own mates and territories.The American bald (in the sense of white, as in piebald), or white-headed, eagle ( Haliaetus leucocephalus. ) is found in all parts of North America near water and feeds chiefly on dead fish ...
- Ferrite Memory Unit by Great Soviet Encyclopedia
... , the cores retain one of two possible stable magnetic states. The states correspond to two values of residual magnetic induction (+ B r and – B r), making the cores suitable for the storage of data written in a binary code. The magnetic state of a ferrite core can be controlled if current pulses of different polarities are sent through a conductor running ...