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current
(redirected from Convection current)

    Also found in: Dictionary/thesaurus, Medical, Legal, Wikipedia, Hutchinson 0.04 sec.

(1) The flow of electrons through a circuit. Measured in "amperes." See amp and voltage.

(2) The latest version or model.

(3) (Current) An earlier Windows PIM from IBM that included a calendar, address book, phone dialer, outliner, word processor and Gantt charts for project tracking. It was revised by its developer, Jensen-Jones Inc., Red Bank, NJ, into a new package called Commence.

(electronics)current - The quantity of charge per unit time, measured in Amperes (Amps, A). By historical convention, the sign of current is positive for currents flowing from positive to negative potential, but experience indicates that electrons are negatively charged and flow in the opposite direction.


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This primary structure carries purlins and rafters in the normal way, with the rafters strutted at the same angle as the struts on the tied portals, creating in effect an inverted ridge that acts as a continuous lantern because, above it, the real ridge is defined by a motorized greenhouse glazing system that can be thrown open on hot days to encourage cooling convection currents.
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Researchers who study the chemistry of lavas, however, argue that the mantle resembles a double boiler, with separate upper and lower layers that each have their own systems of convection currents.
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But on top of this essentially humdrum parti are swooping glass roofs that can both capture solar energy and use it to generate convection currents to ventilate the spaces.
Curving canopy: A huge glass roof over conventional offices is both ... by The Architectural Review
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