sink(redirected from a sinking feeling)
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1. an area of ground below that of the surrounding land, where water collects
2. Physics a device or part of a system at which energy is removed from the system
3. Informal (of a housing estate or school) deprived or having low standards of achievement
Equipment at the end of a communications channel that receives signals and may perform other functions such as error detection.
The region of a Rieke diagram where the rate of change of frequency with respect to phase of the reflection coefficient is maximum for an oscillator; operation in this region may lead to unsatisfactory performance by reason of cessation or instability of oscillations.
A circular or ellipsoidal depression formed by collapse on the flank of or near to a volcano.
A slight, low-lying desert depression containing a central playa or saline lake with no outlet, as where a desert stream comes to an end or disappears by evaporation.
To excavate strata downward in a vertical line for the purpose of winning and working minerals.
To drill or put down a shaft or borehole.
A device or system where some extensive entity is absorbed, such as a heat sink, a sink flow, a load in an electrical circuit, or a region in a nuclear reactor where neutrons are strongly absorbed.
A plumbing fixture usually consisting of a basin with a water supply, connected with a drain.