shale
|shale|
B2
/ʃeɪl/
layered sedimentary rock
Etymology
Etymology Information
'shale' originates from Middle English, specifically the word 'schale,' where 'schale' meant 'shell or husk.'
Historical Evolution
'schale' transformed into the modern English word 'shale' through Middle English.
Meaning Changes
Initially, it meant 'shell or husk,' but over time it evolved into its current meaning of 'a type of sedimentary rock.'
Meanings by Part of Speech
Noun 1
a fine-grained sedimentary rock formed by the compaction of silt and clay-sized mineral particles.
The geologist examined the layers of shale in the cliff.
Synonyms
Last updated: 2025/01/11 11:45