What does "diatessaron" mean?

The interval of a fourth or the harmonic ratio 4:3.

What is a synonym for "diatessaron"?

Common synonyms include: degree, diapason, fifth, fourth, halftone, interval.

noun

noun ·Rare ·Advanced level

Noun

1
The interval of a fourth or the harmonic ratio 4:3. obsolete
2
A continuous narrative arranged from the first four books of the New Testament (the canonical gospels).
3
An electuary compounded of four medicines. obsolete

From Latin diatessarōn, from Ancient Greek διά (diá, “through, across”) + τεσσάρων (tessárōn) (genitive plural of τέσσαρες (téssares, “four”)).

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.