Standard Lemma guide

quaternary

adj · name · noun · 13 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.

  • UK: /kwəˈtɜː.nə.ɹi/
  • UK, rare: /ˈkwɔːt.ən.(ə.)ɹi/
  • US: /ˈkwɑ.tɚˌnɛɹ.i/
  • /ˈkwɑ.tɚˌnɛə.ɹi/
  • US: Recorded audio is listed in the source snapshot.
  • Australia: Recorded audio is listed in the source snapshot.
  • kwŏt′ər-nĕr′ē
  • kwə-tûr′nə-rē
  • General-American: /ˈkwɑt.əɹˌnɛɹ.i/
  • General-American: /kwəˈtɜɹ.nə.ɹi/
  • Received-Pronunciation, rare: /ˈkwɒt.əˌnɛɹ.iː/
  • Received-Pronunciation: /kwəˈtɜː.nə.ɹiː/
  • CMU ARPABET: K W AA1 T ER0 N EH2 R IY0 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Of fourth rank or order.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Examples

  • the quaternary stress in a pronounced word

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Of a mathematical expression containing e.g. x4.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adj

Meaning 3

Relating to or in number base four.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

adj

Meaning 4

quaternary ammonium.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: chemistry, natural-sciences, organic-chemistry, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

adj

Meaning 5

Composed of four elements.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: chemistry, inorganic-chemistry, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

name

Meaning 6

The geological period of the Cenozoic Era immediately following the Tertiary. It is subdivided into the Pleistocene and the Holocene Epochs.

Definition source: English Wiktionary via Wiktextract

Topics: geography, geology, natural-sciences

Examples

  • Meronyms: Pleistocene, Holocene, Anthropocene, assholocene

Meaning relationships

Synonyms: Age of Man

Antonyms: none provided

7

name

Meaning 7

Alternative letter-case form of quaternary.

Definition source: English Wiktionary via Wiktextract

Usage: alt-of

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

noun

Meaning 8

A quaternary compound.

Definition source: English Wiktionary via Wiktextract

Topics: chemistry, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

9

noun

Meaning 9

The Quaternary period or the system of deposits laid down during it.

Definition source: English Wiktionary via Wiktextract

Topics: geography, geology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

10

adjective satellite

Meaning 10

coming next after the third and just before the fifth in position or time or degree or magnitude

Definition source: Princeton WordNet 3.0

Examples

  • the quaternary period of geologic time extends from the end of the tertiary period to the present

Meaning relationships

Synonyms: fourth, 4th

Antonyms: none provided

11

adjective satellite

Meaning 11

consisting of or especially arranged in sets of four

Definition source: Princeton WordNet 3.0

Examples

  • quaternate leaves
  • a quaternary compound

Meaning relationships

Synonyms: quaternate

Antonyms: none provided

12

noun

Meaning 12

the cardinal number that is the sum of three and one

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: four, 4, IV, tetrad, quatern, quaternion, quaternity, quartet, quadruplet, foursome, Little Joe

Antonyms: none provided

Broader terms: digit, figure

13

noun

Meaning 13

last 2 million years

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: Quaternary period, Age of Man

Antonyms: none provided

Broader terms: period, geological period

History

Etymology

Derived from Latin quaternārius (“containing or consisting of four”), from quaternī (“four each”, “four at a time”) + -ārius (whence the English suffix -ary); compare the French quaternaire.

From Latin quaternārius (“consisting of four”), from quaternī (“by fours”); in numerical sense via Middle English quaternary. Compare French quaternaire.

Across languages

Translations

38 source translations are retained for this English entry.

  • Bulgarian: четвъртичен (četvǎrtičen) — of fourth rank or order
  • Catalan: quaternari — of fourth rank or order
  • Catalan: quaternària — of fourth rank or order
  • Estonian: neljas — of fourth rank or order
  • Finnish: kvartäärinen — of fourth rank or order
  • Finnish: kvaternaarinen — of fourth rank or order
  • French: d'ordre quatre — of fourth rank or order
  • French: quaternaire — of fourth rank or order
  • Italian: quaternario — of fourth rank or order
  • Malay: aras empat — of fourth rank or order
  • Malay: kuaterner — of fourth rank or order
  • Portuguese: quaternário — of fourth rank or order
  • Russian: четвертичный (četvertičnyj) — of fourth rank or order
  • Finnish: neljännen asteen — of mathematical expressions
  • French: d'ordre quatre — of mathematical expressions
  • Catalan: quaternari — geological period
  • Czech: čtvrtohory — geological period
  • Czech: kvartér — geological period
  • Dutch: Kwartair — geological period
  • Finnish: kvartäärikausi — geological period
  • French: quaternaire — geological period
  • Georgian: მეოთხეული (meotxeuli) — geological period
  • Georgian: მეოთხეული სისტემა (meotxeuli sisṭema) — geological period
  • Georgian: მეოთხეული პერიოდი (meotxeuli ṗeriodi) — geological period
  • German: Quartär — geological period
  • Hungarian: negyedidőszak — geological period
  • Italian: quaternario — geological period
  • Japanese: 第四紀 (daiyonki) — geological period
  • Polish: czwartorzęd — geological period
  • Portuguese: Quaternário — geological period
  • Russian: Четвертичный пери́од (Četvertičnyj períod) — geological period
  • Serbo-Croatian: Kvartar — geological period
  • Slovak: Kvartér — geological period
  • Slovene: Kvartar — geological period
  • Spanish: Cuaternario — geological period
  • Swedish: kvartär — geological period
  • Ukrainian: Антропогенова система (Antropohenova systema) — geological period
  • Vietnamese: kỉ Đệ Tứ — geological period