Standard Lemma guide

hexadecimal

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

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  • /ˌhɛksəˈdɛsɪməl/
  • US: Recorded audio is listed in the source snapshot.

1

adj

Meaning 1

Of a number, expressed in hexadecimal.

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

2

noun

Meaning 2

A number system with base sixteen, using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E and F, most used in computing as a hexadecimal digit can represent four bits, half a standard byte, and thus a single byte can be represented conveniently with two digits.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: arithmetic, computing, engineering, mathematics, natural-sciences, physical-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A number expressed in the hexadecimal system.

Definition source: English Wiktionary via Wiktextract

Usage: countable

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

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

adjective

Meaning 4

of or pertaining to a number system having 16 as its base

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: hex

Antonyms: none provided

History

Etymology

1952, from hexa- + decimal; see the Wikipedia article for more information. Piecewise doublet of sexadecimal.

Across languages

Translations

56 source translations are retained for this English entry.

  • Armenian: տասնվեցական (tasnvecʻakan) — expressed in hexadecimal
  • Catalan: hexadecimal — expressed in hexadecimal
  • Czech: šestnáctkový — expressed in hexadecimal
  • Czech: hexadecimální — expressed in hexadecimal
  • Danish: hexadecimal — expressed in hexadecimal
  • Dutch: hexadecimaal — expressed in hexadecimal
  • Dutch: hexadecimale — expressed in hexadecimal
  • Esperanto: deksesuma — expressed in hexadecimal
  • Finnish: heksadesimaalinen — expressed in hexadecimal
  • French: hexadécimal — expressed in hexadecimal
  • Galician: hexadecimal — expressed in hexadecimal
  • German: hexadezimal — expressed in hexadecimal
  • Greek: δεκαεξαδικός (dekaexadikós) — expressed in hexadecimal
  • Hebrew: הקסדצימלי (hexadetsimáli) — expressed in hexadecimal
  • Hebrew: הקסדצימלית (hexadetsimálit) — expressed in hexadecimal
  • Hungarian: hexadecimális — expressed in hexadecimal
  • Icelandic: sextándatala — expressed in hexadecimal
  • Italian: esadecimale — expressed in hexadecimal
  • Latin: sedecimalis — expressed in hexadecimal
  • Polish: szesnastkowy — expressed in hexadecimal
  • Portuguese: hexadecimal — expressed in hexadecimal
  • Romanian: hexadecimal — expressed in hexadecimal
  • Russian: шестнадцатери́чный (šestnadcateríčnyj) — expressed in hexadecimal
  • Serbo-Croatian: хексадецималан — expressed in hexadecimal
  • Serbo-Croatian: heksadecimalan — expressed in hexadecimal
  • Spanish: hexadecimal — expressed in hexadecimal
  • Swedish: hexadecimal — expressed in hexadecimal
  • Welsh: hecsadegol — expressed in hexadecimal
  • Min Nan Chinese: 十六進位 /十六进位 (tsa̍p-la̍k-tsìn-uī) — number system with base sixteen
  • Czech: hexadecimální soustava — number system with base sixteen
  • Czech: šestnáctková soustava — number system with base sixteen
  • Danish: hexadecimale talsystem — number system with base sixteen
  • Danish: sekstentalssystem — number system with base sixteen
  • Dutch: heksadecimale talstelsel — number system with base sixteen
  • Finnish: heksadesimaalijärjestelmä — number system with base sixteen
  • Finnish: heksadesimaaliluku — number system with base sixteen
  • French: hexadécimal — number system with base sixteen
  • German: Hexadezimalsystem — number system with base sixteen
  • German: Sedezimalsystem — number system with base sixteen
  • Greek: δεκαεξαδικό (dekaexadikó) — number system with base sixteen
  • Hebrew: בסיס הקסדצימלי (basís hexadetsimáli) — number system with base sixteen
  • Hindi: षोडशाधार (ṣoḍaśādhār) — number system with base sixteen
  • Icelandic: sextándakerfi — number system with base sixteen
  • Icelandic: sextándatala — number system with base sixteen
  • Italian: sistema numerico esadecimale — number system with base sixteen
  • Japanese: 十六進法 (jūrokushinhō) — number system with base sixteen
  • Korean: 십육진법 (sibyukjinbeop) — number system with base sixteen
  • Norwegian: sekstentallsystem — number system with base sixteen
  • Polish: system szesnastkowy — number system with base sixteen
  • Portuguese: sistema hexadecimal — number system with base sixteen
  • Romanian: sistem hexazecimal — number system with base sixteen
  • Russian: шестнадцатери́чная систе́ма (šestnadcateríčnaja sistéma) — number system with base sixteen
  • Serbo-Croatian: хексадецимални систем — number system with base sixteen
  • Serbo-Croatian: heksadecimalni sistem — number system with base sixteen
  • Spanish: hexadecimal — number system with base sixteen
  • Swedish: hexadecimala talsystemet — number system with base sixteen