sedimentary.

Formed from accumulated particles or deposits, especially rock built in layers.

Use it for

Words that belong together

• sedimentary rock
• sedimentary layers

On the page

Fossils lined a pale band of sedimentary rock.

Usage notes

Primary category: setting / environment. Forms: Normally non-gradable; no ordinary comparative or superlative. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Writing functions: setting, description. Commonness: moderately common.