STRATIFY
stratify
(verb) render fertile and preserve by placing between layers of earth or sand; “stratify seeds”
stratify
(verb) form layers or strata; “The rock stratifies”
stratify
(verb) form, arrange, or deposit in layers; “The fish are stratified in barrels”; “The rock was stratified by the force of the water”; “A statistician stratifies the list of names according to the addresses”
stratify
(verb) divide society into social classes or castes; “Income distribution often stratifies a society”
stratify
(verb) develop different social levels, classes, or castes; “Society stratifies when the income gap widens”
Source: WordNet® 3.1
Etymology
Verb
stratify (third-person singular simple present stratifies, present participle stratifying, simple past and past participle stratified)
(intransitive) To become separated out into distinct layers or strata.
(transitive) To separate out into distinct layers or strata.
Source: Wiktionary
Strat"i*fy, v. t. [imp. & p. p. Stratified; p. pr. & vb. n.
Stratifying.] Etym: [Stratum + -fy: cf. F. stratifier.]
Definition: To form or deposit in strata, or layers, as substances in the
earth; to arrange in strata.
Source: Webster’s Unabridged Dictionary 1913 Edition