Standard Lemma guide

mediant

noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • /ˈmiːdi.ənt/

1

noun

Meaning 1

The third degree of the diatonic scale.

Definition source: English Wiktionary via Wiktextract

Topics: entertainment, lifestyle, music

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A rational number whose numerator is the sum of the numerators of two other given rational numbers and whose denominator is the sum of the denominators of those same two other rational numbers.

Definition source: English Wiktionary via Wiktextract

Topics: mathematics, sciences

Examples

  • For any tangent pair of Ford circles corresponding to rational numbers r and s, the Ford circle tangent to both of them corresponds to the rational number which is the mediant of r and s.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

(music) the third note of a diatonic scale; midway between the tonic and the dominant

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: note, musical note, tone

History

Etymology

From Italian mediante, from Latin mediānt- (“being in the middle”), present active participle of mediō (“to be in the middle”), from medius (“middle”), from Proto-Italic *meðios, from Proto-Indo-European *medhyo- (“between”).

Across languages

Translations

4 source translations are retained for this English entry.

  • Finnish: välittäjä — third tone
  • Finnish: mediantti — third tone
  • Italian: mediante — third tone
  • Swedish: mediant — third tone