rare. [irreg. f. TIDE sb. + -(O)LOGY.] The study or science that treats of the tides. Hence Tidological a., of or pertaining to tidology.

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1834.  Whewell, in Todhunter, Acc. Writ. (1876), II. 194. Do not omit to mention what the Liverpool people … have done for Tidology. Ibid. (1840), Philos. Induct. Sci. (1847), II. 509. I have ventured to employ the term Tidology, having been much engaged in tidological researches.

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1843.  Mill, Logic, VI. iii. § 1. No one doubts that Tidology (as Dr. Whewell proposes to call it) is really a science. Ibid. Tidology, therefore, is not yet an exact science; not from any inherent incapacity of being so, but from the difficulty of ascertaining with complete precision the real derivative uniformities.

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