Standard Lemma guide

dyadic

adj · noun · 5 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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • US: /daɪˈæ.dɪk/
  • US: [daɪˈæ.ɾɪk]
  • rhymes with -ædɪk

1

adj

Meaning 1

Pertaining to a dyad, the number two; of two parts or elements.

having an arity of two (taking two arguments or operands)

Definition source: English Wiktionary via Wiktextract

Topics: human-sciences, logic, mathematics, philosophy, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Pertaining to a dyad, the number two; of two parts or elements.

binary

Definition source: English Wiktionary via Wiktextract

Usage: obsolete

Topics: mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adj

Meaning 3

Pertaining to the physical sex of a person who is exactly male or female in genetics, anatomy and hormone levels; not intersex.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: endosex, perisex

Antonyms: none provided

4

noun

Meaning 4

The sum of two or more dyads

Definition source: English Wiktionary via Wiktextract

Topics: mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

adjective

Meaning 5

of or relating to a dyad or based on two

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From dyad + -ic. The mathematics sense was coined by American scientist Josiah Willard Gibbs in 1884 in the second half of his book Elements of Vector Analysis.

Across languages

Translations

12 source translations are retained for this English entry.

  • Finnish: kaksiosainen — pertaining to two parts or elements
  • Finnish: kaksijakoinen — pertaining to two parts or elements
  • Dutch: tweeledig — pertaining to the number two
  • Dutch: dyadisch — pertaining to the number two
  • French: dyadique — pertaining to the number two
  • Galician: diádico — pertaining to the number two
  • Hungarian: diadikus — pertaining to the number two
  • Icelandic: tvíunda- — pertaining to the number two
  • Italian: diadico — pertaining to the number two
  • Japanese: 二項 (ni-kō) — pertaining to the number two
  • Portuguese: diádico — pertaining to the number two
  • Spanish: diádico — pertaining to the number two
Real reading context

dyadic in complete knowledge articles