stratum

noun

/ˈstrɑːtəm/

/ˈstreɪtəm/

(plural strata

/ˈstrɑːtə/

/ˈstreɪtə/

)

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(geology) a layer or set of layers of rock, earth, etc.
- a thick stratum of flint
- limestone strata
- Excavated coins can often be dated from other objects in the same stratum.
(formal) a class in a society
- people from all social strata
Topics People in societyc2
More Like This Easily-confused plural/singular forms
Easily-confused plural/singular forms
- bacteria/bacterium
- criteria/criterion
- data/datum
- media/medium
- phenomena/phenomenon
- strata/stratum

Word Originlate 16th cent. (in the sense ‘layer or coat of a substance’): modern Latin, from Latin, literally ‘something spread or laid down’, neuter past participle of sternere ‘strew’.

单词	stratum
释义	stratum noun /ˈstrɑːtəm/ /ˈstreɪtəm/ (plural strata /ˈstrɑːtə/ /ˈstreɪtə/ ) jump to other results (geology) a layer or set of layers of rock, earth, etc. a thick stratum of flint limestone strata Excavated coins can often be dated from other objects in the same stratum. (formal) a class in a society people from all social strata Topics People in societyc2 More Like This Easily-confused plural/singular formsEasily-confused plural/singular forms bacteria/bacterium criteria/criterion data/datum media/medium phenomena/phenomenon strata/stratum Word Originlate 16th cent. (in the sense ‘layer or coat of a substance’): modern Latin, from Latin, literally ‘something spread or laid down’, neuter past participle of sternere ‘strew’.
随便看	see-off see out see-out see over see-over seep seepage seer seersucker see-saw see-saw_1 see-saw_2 seethe see through see-through see-through_1 see-through_2 see to see-to see to it that see-to-it-that segment segment_1 segmental segmentation