the.com/ounce

the unit so small it became the language of luxury and contraband alike

means A small unit of weight (about 28 grams in the avoirdupois system, or roughly 31 grams troy for precious metals), or by extension a tiny amount of anything.

from From Latin 'uncia,' meaning a twelfth part — the same word that gave us 'inch.' The Roman 'uncia' was one-twelfth of a 'libra' (pound) or of a 'pes' (foot), which is why the ounce and the inch are linguistic twins separated only by what they measure. It traveled through Old French 'unce' into Middle English. The 'oz' abbreviation, oddly, comes not from English but from the medieval Italian 'onza.'

snow leopard
the ounce is an old name for it
abbreviation oz
comes from Italian onza, not English
troy vs avoirdupois
gold ounces weigh more than grocery ounces
latin root
uncia meant one-twelfth of anything
fluid ounce
measures volume, not weight, confusing everyone
for instance

troy ounce — unit of mass for precious metals: 31.1035 grams, used for gold and silver pricing worldwide

fluid ounce — unit of volume: 29.5735 milliliters in us measurement, standard for beverages and recipes

avoirdupois ounce — unit of mass: 28.3495 grams, used for general goods in us and uk, 1/16 of a pound

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