Tithonometer definitions

Tithonometer

• (n.) An instrument or apparatus for measuring or detecting tithonicity; an actinometer.
Found on http://thinkexist.com/dictionary/meaning/tithonometer/

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Tithonometer

Tith`o·nom'e·ter noun [ Tithon ic + -meter .] An instrument or apparatus for measuring or detecting tithonicity; an actinometer. [ R.]
Found on http://www.encyclo.co.uk/webster/T/62

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