Twaddelln.

/ˈtwɒd(ə)l/

Forms: Also Twaddel, Twaddle.

Etymology: Short for Twaddell's hydrometer, from the name of the inventor.

A form of hydrometer or hydrometric scale in which 200 degrees correspond to a unit of specific gravity, that of distilled water being denoted by zero. Also attributive.

ΘΚΠ

the world > matter > constitution of matter > density or solidity > [noun] > specific gravity > device to measure specific gravity > of liquids

waterpoise1660

hydrometer1675

citrometer1823

litrameter1826

Twaddell1853

pycnometer1858

specific gravity beads (also bulbs)1863

1853 A. Ure Dict. Arts (ed. 4) II. 828 The patentee employs diluted sulphuric acid, at 105° Twaddle.

1860 C. O'Neill Chem. Calico Printing 11 To obtain the value of any degree of Twaddle, it must be multiplied by five, and the product added to 1,000.

1860 C. O'Neill Chem. Calico Printing 12 The specific gravity and the Twaddle value of a degree of Beaumé.

1873 E. Spon Workshop Receipts 1st Ser. 30/1 A hot solution of nitro-sulphate of iron, 5° Twaddle, 150° Fahrenheit.

This entry has not yet been fully updated (first published 1916; most recently modified version published online December 2020).

单词	twaddell
释义	Twaddelln. /ˈtwɒd(ə)l/ Forms: Also Twaddel, Twaddle. Etymology: Short for Twaddell's hydrometer, from the name of the inventor. A form of hydrometer or hydrometric scale in which 200 degrees correspond to a unit of specific gravity, that of distilled water being denoted by zero. Also attributive. ΘΚΠ the world > matter > constitution of matter > density or solidity > [noun] > specific gravity > device to measure specific gravity > of liquids waterpoise1660 hydrometer1675 citrometer1823 litrameter1826 Twaddell1853 pycnometer1858 specific gravity beads (also bulbs)1863 1853 A. Ure Dict. Arts (ed. 4) II. 828 The patentee employs diluted sulphuric acid, at 105° Twaddle. 1860 C. O'Neill Chem. Calico Printing 11 To obtain the value of any degree of Twaddle, it must be multiplied by five, and the product added to 1,000. 1860 C. O'Neill Chem. Calico Printing 12 The specific gravity and the Twaddle value of a degree of Beaumé. 1873 E. Spon Workshop Receipts 1st Ser. 30/1 A hot solution of nitro-sulphate of iron, 5° Twaddle, 150° Fahrenheit. This entry has not yet been fully updated (first published 1916; most recently modified version published online December 2020). < n.1853
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