Standard Lemma guide

monad

noun · 10 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.

  • Received-Pronunciation: /ˈmɒnæd/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • General-American: /ˈmoʊnæd/
  • rhymes with (US) -oʊnæd
  • CMU ARPABET: M OW1 N AE0 D Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

One thing, one being, one item.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A group of entities or items treated as one entity.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

An ultimate atom, or simple, unextended point; something ultimate and indivisible.

Definition source: English Wiktionary via Wiktextract

Topics: human-sciences, philosophy, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

A single individual (such as a pollen grain) that is free from others, not united in a group.

Definition source: English Wiktionary via Wiktextract

Topics: biology, botany, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

A single-celled organism. (See Monas.)

Definition source: English Wiktionary via Wiktextract

Usage: dated

Topics: biology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

A monoid object in the category of endofunctors of a fixed category.

Definition source: English Wiktionary via Wiktextract

Topics: category-theory, computing, engineering, mathematics, natural-sciences, physical-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

noun

Meaning 7

A data type which represents a specific form of computation, along with the operations "return" and "bind".

Definition source: English Wiktionary via Wiktextract

Qualifier: functional programming

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

noun

Meaning 8

(biology) a single-celled microorganism (especially a flagellate protozoan)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: microorganism, micro-organism

9

noun

Meaning 9

a singular metaphysical entity from which material properties are said to derive

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: monas

Antonyms: none provided

Broader terms: one, 1, I, ace, single, unity

10

noun

Meaning 10

(chemistry) an atom having a valence of one

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: atom

History

Etymology

From Latin monas (“unit”) (from Ancient Greek μονάς (monás), from μόνος (mónos), from Proto-Indo-European *men-). By surface analysis, mono- + -ad.

Across languages

Translations

26 source translations are retained for this English entry.

  • Bulgarian: монада (monada) — something ultimate and indivisible
  • Catalan: mònada — something ultimate and indivisible
  • Finnish: monadi — something ultimate and indivisible
  • French: monade — something ultimate and indivisible
  • German: Monade — something ultimate and indivisible
  • Hungarian: monád — something ultimate and indivisible
  • Italian: monade — something ultimate and indivisible
  • Occitan: monada — something ultimate and indivisible
  • Polish: monada — something ultimate and indivisible
  • Portuguese: mónada — something ultimate and indivisible
  • Portuguese: mônada — something ultimate and indivisible
  • Romanian: monadă — something ultimate and indivisible
  • Spanish: mónada — something ultimate and indivisible
  • Bulgarian: монада (monada) — mathematics and computing term
  • Catalan: mònada — mathematics and computing term
  • Chinese Mandarin: 單子 /单子 (dānzi) — mathematics and computing term
  • Finnish: monadi — mathematics and computing term
  • French: monade — mathematics and computing term
  • German: Monade — mathematics and computing term
  • Hungarian: monád — mathematics and computing term
  • Italian: monade — mathematics and computing term
  • Polish: monada — mathematics and computing term
  • Portuguese: mónade — mathematics and computing term
  • Romanian: monadă — mathematics and computing term
  • Russian: монада (monada) — mathematics and computing term
  • Spanish: mónada — mathematics and computing term