plimsoll
The plimsoll symbol ⦵ (or o) that is used as a superscript in the notation of thermodynamics to indicate an arbitrarily chosen non-zero reference point.
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UK
#1·Apr 27, 2026UK
The plimsoll symbol ⦵ (or o) that is used as a superscript in the notation of thermodynamics to indicate an arbitrarily chosen non-zero reference point.
While here, now, a large boy, a famous bully, swaggered to the front to bend, leering, and offer his satirical backside to be ineffectually beaten with a plimsoll by the gentle Scot.
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UK
#2·Apr 27, 2026UK
(UK, Irish) A rubber-soled lace-up canvas shoe for sports or onboard ships; a precursor of trainers.
Origin: From Samuel Plimsoll, a Bristol merchant who created a system of marks and symbols for the waterline of ships. The shoe was possibly named because the line of its sole resembled the Plimsoll line of ship. Origin information sourced from Wiktionary contributors (CC BY-SA 4.0).
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