from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An apparatus for determining the amount of nitrogen or some of its compounds in a substance.
from the GNU version of the Collaborative International Dictionary of English
- n. An apparatus for determining the amount of nitrogen or some of its compounds in any substance subjected to analysis; an azotometer.
from The Century Dictionary and Cyclopedia
- n. An apparatus used for collecting and measuring nitrogen gas, or for decomposing nitrogen oxids and subsequently measuring the residual or resulting gases.
nitro- + -meter; compare French nitromètre. (Wiktionary)