The"sis (?), n.; pl. Theses (#). [L., fr. Gr. , fr. to place, set. See Do, and cf. Anathema, Apothecary, Epithet, Hypothesis, Parenthesis, Theme, Tick a cover.]

1.

A position or proposition which a person advances and offers to maintain, or which is actually maintained by argument.

2.

Hence, an essay or dissertation written upon specific or definite theme; especially, an essay presented by a candidate for a diploma or degree.

I told them of the grave, becoming, and sublime deportment they should assume upon this mystical occasion, and read them two homilies and a thesis of my own composing, to prepare them. Goldsmith.

3. Logic

An affirmation, or distinction from a supposition or hypothesis.

4. Mus.

The accented part of the measure, expressed by the downward beat; -- the opposite of arsis.

5. Pros. (a)

The depression of the voice in pronouncing the syllables of a word.

(b)

The part of the foot upon which such a depression falls.

 

© Webster 1913.

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