anthracometer

English

Etymology

From anthraco- +‎ -meter.

Noun

anthracometer (plural anthracometers)

1. (obsolete, rare) An instrument for measuring the amount of carbonic acid in a mixture, usually in air

References

• “anthracometer”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.