Standard Lemma guide

shale

noun · verb · 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.

  • /ʃeɪl/
  • rhymes with -eɪl
  • Southern-England: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: SH EY1 L Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

A shell, scale or husk; a cod or pod.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A fine-grained sedimentary rock of a thin, laminated, and often friable, structure.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: geography, geology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

The shale oil and shale gas segment of the oil and gas industry.

Definition source: English Wiktionary via Wiktextract

Usage: countable, metonymically, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

verb

Meaning 4

To take off the shell or coat of.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

a sedimentary rock formed by the deposition of successive layers of clay

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: sedimentary rock

Narrower terms: humic shale, oil shale

History

Etymology

From Middle English schale (“shell, husk; scale”), from Old English sċealu (“shell, husk, pod”), from Proto-West Germanic *skalu, from Proto-Germanic *skalō, from Proto-Indo-European *(s)kelH- (“to split, cut”), from *(s)kel- (“to split, cleave”). See also West Frisian skaal (“dish”), Dutch schaal (“shell”), schalie (“shale”), German Schale (“husk, pod”); also Lithuanian skalà (“splinter”), Old Church Slavonic скала (skala, “rock, stone”), Polish skała (“rock”), Albanian halë (“fish bone, splinter”), Sanskrit कल (kalá, “small part”); also Hittite [script needed] (iškalla, “to tear apart, slit open”), Lithuanian skélti (“to split”), Ancient Greek σκάλλω (skállō, “to hoe, harrow”). Doublet of scale. See also shell.

Across languages

Translations

64 source translations are retained for this English entry.

  • Finnish: kuori — shell, husk, cod, pod
  • Galician: cadorna — shell, husk, cod, pod
  • Galician: casca — shell, husk, cod, pod
  • Spanish: cáscara — shell, husk, cod, pod
  • Spanish: vaina — shell, husk, cod, pod
  • Ahtna: tsʼes taeł — sedimentary rock
  • Bulgarian: шиста (šista) — sedimentary rock
  • Catalan: esquist — sedimentary rock
  • Chinese Cantonese: 頁岩 /页岩 (jip6 ngaam4) — sedimentary rock
  • Chinese Mandarin: 頁岩 /页岩 (yèyán) — sedimentary rock
  • Czech: lupek — sedimentary rock
  • Czech: jílovitá břidlice — sedimentary rock
  • Esperanto: skisto — sedimentary rock
  • Finnish: savikivi — sedimentary rock
  • Finnish: liuske — sedimentary rock
  • French: schiste — sedimentary rock
  • Galician: rachón — sedimentary rock
  • Galician: fraga — sedimentary rock
  • Georgian: თიხიანი ფიქალი (tixiani pikali) — sedimentary rock
  • German: Tonstein — sedimentary rock
  • German: Ölschiefer — sedimentary rock
  • German: Schieferton — sedimentary rock
  • German: Schiefergestein — sedimentary rock
  • German: Bitumenschiefer — sedimentary rock
  • German: Schwarzschiefer — sedimentary rock
  • German: Kupferschiefer — sedimentary rock
  • Hungarian: agyagpala — sedimentary rock
  • Hungarian: pala — sedimentary rock
  • Icelandic: leirsteinn — sedimentary rock
  • Icelandic: leirflögur — sedimentary rock
  • Ingrian: savislantsa — sedimentary rock
  • Italian: scisto — sedimentary rock
  • Japanese: 頁岩 (ketsugan) — sedimentary rock
  • Japanese: 泥板岩 (deibangan) — sedimentary rock
  • Korean: 혈암 (hyeoram) — sedimentary rock
  • Macedonian: шкри́лец (škrílec) — sedimentary rock
  • Norman: bliu-pièrre — sedimentary rock
  • Norwegian Bokmål: leirskifer — sedimentary rock
  • Norwegian Bokmål: skifer — sedimentary rock
  • Norwegian Nynorsk: leirskifer — sedimentary rock
  • Norwegian Nynorsk: skifer — sedimentary rock
  • Persian: شیست (šist) — sedimentary rock
  • Polish: łupek — sedimentary rock
  • Portuguese: folhelho — sedimentary rock
  • Russian: сла́нец (slánec) — sedimentary rock
  • Serbo-Croatian: škriljac — sedimentary rock
  • Serbo-Croatian: škriljevac — sedimentary rock
  • Spanish: esquisto — sedimentary rock
  • Spanish: pizarra — sedimentary rock
  • Spanish: lutita — sedimentary rock
  • Swedish: lerskiffer — sedimentary rock
  • Swedish: skiffer — sedimentary rock
  • Tagalog: eskuwisto — sedimentary rock
  • Turkish: şeyl — sedimentary rock
  • Turkish: şist — sedimentary rock
  • Bulgarian: обелвам (obelvam) — to take off the shell, husk, cod, pod
  • Finnish: kuoria — to take off the shell, husk, cod, pod
  • French: écoquiller — to take off the shell, husk, cod, pod
  • French: décoquiller — to take off the shell, husk, cod, pod
  • French: écaler — to take off the shell, husk, cod, pod
  • French: décortiquer — to take off the shell, husk, cod, pod
  • German: entspelzen — to take off the shell, husk, cod, pod
  • German: schälen — to take off the shell, husk, cod, pod
  • German: enthülsen — to take off the shell, husk, cod, pod
Real reading context

shale in complete knowledge articles