Dry Bulb Thermometer: A thermometer used to measure the ambient temperature. The temperature recorded is considered identical to air temperature. One of the two thermometers that make up a psychrometer.

 

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Dry Bulb Thermometer: A thermometer used to measure the ambient temperature. The temperature recorded is considered identical to air temperature. One of the two thermometers that make up a psychrometer.

Dryland Farming: A system of producing crops in semi-arid regions (usually with less than 20 inches of annual rainfall) without irrigation. Dryland farmers often try to rebuild soil moisture by leaving the l . . . View Full Definition

Drying Out: Encouraging loss of body fluids by limiting fluid intake, eliminating salt, sweating heavily and/or using diuretics.

Drywall: A construction material used as a basis for interior walls in a home. Drywall is composed of an inner core of chalk with a paper facing on each side.

Hair Bulb: The base of a hair; contains cells that divide mitotically to produce columns of hair cells.

Flash Bulb: Replaceable bulb for use in expendable flash units. A glass bulb contains a pyrotechnic wire or paste which burns out in a brilliant flash when a low voltage firing current is applied.

Drying Marks: Marks on the film emulsion caused by uneven drying and resulting in areas of uneven density, which may show up in the final print.

Drying Cabinet: Vented cabinet equipped with suspension clips for drying films.

Dry Wash: An intermittent streambed in an arroyo or canyon that carries water only briefly after a rain.

Dry Vermouth: A French made, herb flavored wine. Used in making drinks such as the Martini and Perfect Manhattan.