Grinding down or wearing away by friction.
A gradual, natural reduction in membership or personnel, as through retirement, resignation, or death.
Imperfect contrition or remorse.
The gradual reduction in a tangible or intangible resource due to causes that are passive and do not involve productive use of the resource.
The loss of participants during an experiment.
The wearing of teeth due to their grinding.
The loss of a first or second language or a portion of that language.
To reduce the number of (jobs or workers) by not hiring new employees to fill positions that become vacant (often with out).
To undergo a reduction in number.
To grind or wear down through friction.
The loose material that comes from something being grated.
An optical system of close equidistant and parallel lines or bars, especially lines ruled on a polished surface, used for producing spectra by diffraction.
The strong wooden lattice used to cover a hatch, admitting light and air; also, a movable lattice used for the flooring of boats.
A barrier that has parallel or crossed bars blocking a passage but admitting air.
A frame of iron bars to hold a fire.
The sound made by something that grates against something else.
Harsh and unpleasant.
Abrasive; tending to annoy.