simple past tense and past participle of scale

(zoology) Covered with scales or scale-like structures. / Without scales, or with the scales removed.

The act of one who scales or climbs. / The removing of the scales of fish. / The formation of a layer of scale on a surface. / The removal of a layer of scale from a surface.

present participle of scale

(transitive) To remove the scales of. / (intransitive) To become scaly; to produce or develop scales. / (transitive) To strip or clear of scale; to descale.

(obsolete) A ladder; a series of steps; a means of ascending. / An ordered, usually numerical sequence used for measurement, means of assigning a magnitude. / Size; scope.

(transitive) To change the size of something whilst maintaining proportion; especially to change a process in order to produce much larger amounts of the final product.

Part of an overlapping arrangement of many small, flat and hard pieces of keratin covering the skin of an animal, particularly a fish or reptile.

A device to measure mass or weight. / Either of the pans, trays, or dishes of a balance or scales.

(of a model) such that each dimension has the same proportion to the original