Anthracometer :: Anthracometer (n.) An instrument for measuring the amount of carbonic acid in a mixture.
Anthracometric :: Anthracometric (a.) Of or pertaining to an anthracometer.
Apomecometer :: Apomecometer (n.) An instrument for measuring the height of objects.
Apomecometry :: Apomecometry (n.) The art of measuring the distance of objects afar off.
Comet :: Comet (n.) A member of the solar system which usually moves in an elongated orbit, approaching very near to the sun in its perihelion, and receding to a very great distance from it at its aphelion. A comet commonly consists of three parts: the nucleus, the envelope, or coma, and the tail; but one or more of these parts is frequently wanting. See Illustration in Appendix..
Comet- Seeker :: Comet- seeker (n.) A telescope of low power, having a large field of view, used for finding comets..