pennyweight

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DWT

Acronym for dime weight, also called pennyweight. A measure of weight in the Troy system equal to 24 gr, 0.05 oz, or 1.55 g.
Synonym(s): pennyweight

pennyweight

An obsolete, non-SI (International system) unit of mass, equal to 1.555 g.

pennyweight

(pĕn-nē-wāt)
Troy weight containing 24 gr or 120 of a troy ounce; equal to 1.555 g. This unit of measure was previously used for describing the quantities of precious metals, as the amount of gold needed for dental restorations.
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References in classic literature ?
The trees, burdened with the last infinitesimal pennyweight of snow their branches could hold, stood in absolute petrifaction.
Later there was some controversy as to whether it had beaten Cheshire''s Kelvin Archer''s 16-year-old world record due to the method of weighing - in drams and grains as opposed to pennyweights and grains.
The largest ever gooseberry entered was the size of a goose egg, weighing in at 39 pennyweights or 2.