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Webster 1913 Edition


Diatessaron

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Diˊa-tes′sa-ron

,
Noun.
[L., fr. Gr. [GREEK] (sc. [GREEK]);
διά
through + [GREEK], gen. of [GREEK] four (sc. [GREEK].).]
1.
(Anc. Mus.)
The interval of a fourth.
2.
(Theol.)
A continuous narrative arranged from the first four books of the New Testament.
3.
An electuary compounded of four medicines.

Webster 1828 Edition


Diatessaron

DIATESSARON

,
Noun.
[Gr., four.] Among musicians, a concord or harmonic interval, composed of a greater tone, a lesser tone, and one greater semitone. Its proportion is as 4 to 3, and it is called a perfect fourth.