eudiometer noun. [ju:dɪ'ɒmɪtǝ] L18.
[from Greek eudios fine (of weather), formed as EU- + dios heavenly, genit. of Zeus god of the sky: see -OMETER. So called because an increase in the oxygen content of the air was formerly thought to accompany fine weather.]
Orig., an instrument for measuring the oxygen content of the air. Now, any instrument for measuring and analysing gases by volume; spec. a graduated glass tube in which gases are chemically combined by a spark between two terminals.

■ ,eudio'metric adjective M19.

■ ,eudio'metrical adjective L18.

■ ,eudio'metrically adverb E19.

■ eudiometry noun E19.

[TahlilGaran] English Dictionary ▲