an instrument for determining the specific gravity of urine
urinometer in American English
(ˌjurəˈnɑmɪtər)
noun
a device for assessing the specific gravity of urine; a hydrometer for use on urine specimens
Word origin
[1835–45; urino- + -meter]This word is first recorded in the period 1835–45. Other words that entered Englishat around the same time include: basic, communism, daisy chain, ecumenical, protein-meter is a combining form meaning “measure,” used in the names of instruments measuringquantity, extent, degree, etc. Other words that use the affix -meter include: altimeter, nephelometer, radiometer, telemeter, variometer