verb (used with object), stratified, stratifying.
to form or place in strata or layers.
to preserve or germinate (seeds) by placing them between layers of earth.
Sociology. to arrange in a hierarchical order, especially according to graded status levels.
verb (used without object), stratified, stratifying.
to form strata.
Geology. to lie in beds or layers.
Sociology. to develop hierarchically, especially as graded status levels.
verb -fies, -fying, -fied
to form or be formed in layers or strata
(transitive) to preserve or render fertile (seeds) by storing between layers of sand or earth
(sociol) to divide (a society) into horizontal status groups or (of a society) to develop such groups
stratified strat·i·fied (strāt’ə-fīd’)
Arranged in the form of layers or strata.
or stratified-charge engine noun 1. an internal-combustion engine in which a small charge of a rich fuel mixture is ignited first and used to improve combustion of a larger charge of a lean fuel mixture.
- Stratified epithelium
stratified epithelium n. Epithelium made up of a series of layers, the cells of each varying in size and shape. Also called laminated epithelium.
noun, Statistics. 1. a random sample of a population in which the population is first divided into distinct subpopulations, or strata, and random samples are then taken separately from each stratum.
- Stratified sample
noun 1. (statistics) a sample that is not drawn at random from the whole population, but separately from a number of disjoint strata of the population in order to ensure a more representative sample See also frame (sense 13)