(electronics) Letting through only a specific range of electromagnetic frequencies.

An abrasive material made by gluing grains of a coarse abrasive to a cloth or paper surface.

An abrasive material, like sandpaper, made by gluing grains of emery to a cloth or paper surface.

(genetics) The transient, lateral opening of a base pair in a nucleic acid molecule as a result of thermal motion or the presence of a defect

Alternative form of knee pad

plural of pace egg

(idiomatic, with infinitive) Making careful effort (to).

(chemistry) A simple form of analytical chromatography in which the stationary phase is a sheet of paper.

(idiomatic) Beyond one's level of authority. / (idiomatic) Beyond one's capability.

(philosophy, government, public policy) An essay or report which expresses a position, conclusion, or recommendation concerning a contested issue or undecided question and which usually contains arguments or reasons in support of this position.