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Webster’s Dictionary (1828)

98,828 entries. Headwords are matched first, then definition text.

1 word match “TWADDELL; TWADDELL'S HYDROMETER”

TWADDELL; TWADDELL'S HYDROMETER n.
A form of hydrometer for liquids heavier than water, graduated with an arbitrary scale such that the readings when multiplied by .005 and added to unity give the specific gravity.