Word Study
[2x]
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-meter
CIDE DICTIONARY
-meter, [L. metrum measure, or the allied Gr. . See Meter rhythm.].
A suffix denoting that by which anything is measured; as, barometer, chronometer, dynamometer. [1913 Webster]
OXFORD DICTIONARY
-meter, comb. form 1 forming nouns denoting measuring instruments (barometer).
2 Prosody forming nouns denoting lines of poetry with a specified number of measures (pentameter).
2 Prosody forming nouns denoting lines of poetry with a specified number of measures (pentameter).
For further exploring for "-meter" in Webster Dictionary Online