ultrametric

Fetched 2026-10-26 (cache).

Synonyms: tetrametric

Antonyms: tetrametric

Related words from Datamuse; suggestions, not definitions.

Adjective

1. {{lb|en|mathematics}} Describing a [[metric]] whose [[triangle inequality]] has the stronger form <math> d(x, z) \le \max\{d(x, y), d(y, z)\} </math>.
2. Describing a [[phylogeny]] in which every tip is the same distance from the root.

Noun

1. A [[metric]] whose [[triangle inequality]] has the stronger form <math> d(x, z) \le \max\{d(x, y), d(y, z)\} </math>.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.