stratify

verb

/ˈstrætɪfaɪ/

[usually passive] (formal or specialist)

Verb Forms

present simple I / you / we / they stratify	/ˈstrætɪfaɪ/ /ˈstrætɪfaɪ/
he / she / it stratifies	/ˈstrætɪfaɪz/ /ˈstrætɪfaɪz/
past simple stratified	/ˈstrætɪfaɪd/ /ˈstrætɪfaɪd/
past participle stratified	/ˈstrætɪfaɪd/ /ˈstrætɪfaɪd/
-ing form stratifying	/ˈstrætɪfaɪɪŋ/ /ˈstrætɪfaɪɪŋ/

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stratify something to arrange something in layers or strata（使）分层，成层
- a highly stratified society高度分化的社会
- stratified rock成层岩
Word Originmid 17th cent.: from French stratifier, based on Latin stratum, literally ‘something spread or laid down’, neuter past participle of sternere ‘strew’.