Standard Lemma guide

duodecimal

adj · noun · 4 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.

  • d(y)o͞o'-ō-dĕsʹ-ĭm-əl
  • /ˌd(j)uː.əʊˈdɛs.ɪm.əl/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • rhymes with -ɛsɪməl

1

adj

Meaning 1

Of a number, expressed in base twelve.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: arithmetic

Examples

  • 6B4 is the duodecimal notation for the decimal number 1000.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A number system that uses twelve as its base.

Definition source: English Wiktionary via Wiktextract

Topics: arithmetic

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adjective satellite

Meaning 3

based on twelve

Definition source: Princeton WordNet 3.0

Examples

  • the duodecimal number system

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

one part in twelve equal parts

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: one-twelfth, twelfth, twelfth part

Antonyms: none provided

Broader terms: common fraction, simple fraction

History

Etymology

Etymology tree Proto-Indo-European *dwóh1 Proto-Italic *duō Latin duo English duo- English decimal English duodecimal From duo- + decimal.

Across languages

Translations

25 source translations are retained for this English entry.

  • Bulgarian: дванадесетичен (dvanadesetičen) — expressed in a base-twelve number system
  • Catalan: duodecimal — expressed in a base-twelve number system
  • Finnish: duodesimaalinen — expressed in a base-twelve number system
  • French: duodécimal — expressed in a base-twelve number system
  • Friulian: duodecimâl — expressed in a base-twelve number system
  • Greek: δωδεκαδικός (dodekadikós) — expressed in a base-twelve number system
  • Hindi: द्वादशाधारी (dvādaśādhārī) — expressed in a base-twelve number system
  • Hungarian: duodecimális — expressed in a base-twelve number system
  • Hungarian: tizenkettes — expressed in a base-twelve number system
  • Irish: dódheachúlach — expressed in a base-twelve number system
  • Italian: duodecimale — expressed in a base-twelve number system
  • Japanese: 十二進法の (jūnishinpō no) — expressed in a base-twelve number system
  • Korean: 십이진법의 (sibijinbeob-ui) — expressed in a base-twelve number system
  • Polish: dwunastkowy — expressed in a base-twelve number system
  • Portuguese: duodecimal — expressed in a base-twelve number system
  • Russian: двенадцатери́чный (dvenadcateríčnyj) — expressed in a base-twelve number system
  • Spanish: duodecimal — expressed in a base-twelve number system
  • Bulgarian: дванадесетична бройна система (dvanadesetična brojna sistema) — base-twelve number system
  • Finnish: duodesimaalijärjestelmä — base-twelve number system
  • Finnish: kaksitoistajärjestelmä — base-twelve number system
  • German: Duodezimalsystem — base-twelve number system
  • Hindi: द्वादशाधार (dvādaśādhār) — base-twelve number system
  • Irish: dódheachúil — base-twelve number system
  • Japanese: 十二進法 (jūnishinpō) — base-twelve number system
  • Korean: 십이진법 (sibijinbeop) — base-twelve number system