from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An apparatus for detecting the presence of dangerous gas, as for example in a mine or in a house.
from the GNU version of the Collaborative International Dictionary of English
- n. An apparatus for detecting the presence of any dangerous gas, from a gas leak in a coal mine or a dwelling house.
from The Century Dictionary and Cyclopedia
- n. An instrument for indicating the presence of gas in buildings, mines, etc.
See gas and -scope. (Wiktionary)