crustal

/ˈkrʌs.təl/ (bre, ipa) · /ˈkrʌs.təl/ (ame, ipa) · /ˈkrə-stᵊl/ (ame, mw)

crustal — adjective

  • crustalpositive
  • more crustalcomparative
  • most crustalsuperlative

1. relating to the solid outer layer of the Earth, called the crust, which forms th

1.形容詞C1
釋義

relating to the solid outer layer of the Earth, called the crust, which forms the continents and the ocean floor

例句

Dr. Okonkwo spent ten years studying crustal movements in the Himalayan region.

collocation: crustal movements

The earthquake was caused by the sudden movement of two large crustal plates.

collocation: crustal plates

同義詞
  • tectonic

    tectonic is broader—it describes the processes that shape the Earth's crust, while crustal simply means belonging to the crust itself

文法句型

crustal + noun

用法筆記

Chiefly used in geology and earth-science writing. Frequently modifies nouns such as 'plate', 'movement', 'deformation', 'structure', and 'thickness'. It is rarely used in everyday conversation.

常見錯誤

❌The crustal broke during the earthquake.
✅The crustal plate broke during the earthquake.
💡'crustal' is an adjective and cannot stand alone as a noun.
❌Crustal is very thick under this mountain range.
✅The crustal thickness under this mountain range is very high.
💡'crustal' must modify a noun; use 'crust' as the noun instead.