Twaddell hydrometer

noun

Definition of Twaddell hydrometer 

: a hydrometer for liquids heavier than water graduated with an arbitrary scale to give specific gravity when a reading is multiplied by 0.005 and added to unity

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History and Etymology for Twaddell hydrometer

after William Twaddell †1840? Scottish inventor

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Dictionary Entries near Twaddell hydrometer

twa

Twachtman

Twaddell

Twaddell hydrometer

twaddle

twaddly

twain

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