Isolation (time)

Duration as measured by some clock. Atomic clocks give the most accurate measure of time. Less regular timekeepers are those based on the rotation of the earth and other bodies of ...

time

Telecommunications; General telecom

An epoch, i.e., the designation of an instant on a selected time scale, astronomical or atomic. It is used in the sense of time of day 2. On a time scale, the interval between two ...

time

Photography; Professional photography

A type of manual exposure which requires an optional remote control. The shutter can be kept open for up to 30 minutes without keeping the shutter-release button pressed.

time

Dance; Choreography

The rate of speed and rhythm used from the beginning to the end of a dance.

watershed

Agriculture; Rice science

The total area from which a single river collects surface water runoff; the catchment or drainage area of a river system.

watershed degradation

Agriculture; Rice science

A marked deterioration in the hydrological behavior of a river system which reduces the potential of land and water by causing a water flow of inferior quality, quantity and ...

waterlogging

Agriculture; Rice science

Impeded drainage; or soil saturated with water but not necessarily with standing water.

waterlogged field

Agriculture; Rice science

A field which continuously has standing water and cannot be drained. The water level may not be deep.

water use efficiency

Agriculture; Rice science

1). Expressed in terms of dry matter or harvested portion of the crop produced per unit of water consumed. 2). Ratio of the water used for evapotranspiration, seepage, and ...