mudstone
|mud-stone|
B2
🇺🇸
/ˈmʌdˌstoʊn/
🇬🇧
/ˈmʌdˌstəʊn/
fine-grained sedimentary rock
Etymology
Etymology Information
'mudstone' originates from the combination of 'mud' and 'stone', where 'mud' refers to wet, soft earth and 'stone' refers to a solid mineral matter.
Historical Evolution
'Mudstone' has been used in English since the 19th century to describe sedimentary rocks composed primarily of mud.
Meaning Changes
Initially, it meant 'a stone made of mud', and this meaning has remained consistent in modern usage.
Meanings by Part of Speech
Last updated: 2025/01/11 11:45