stratum
US: /ˈstɹætəm/
UK: /stɹˈɑːtəm/
English - Vietnamese dictionary
stratum /'strɑ:təm/- danh từ, số nhiều stratums, strata
- (địa lý,địa chất) địa tầng, vỉa
- tầng lớp xã hội
Advanced English dictionary
1 (geology) a layer or set of layers of rock, earth, etc: a thick stratum of flint / gravel + geological / limestone strata + Excavated coins can often be dated from other objects in the same stratum.2 (written) a class in a society: people from all social strata
Thesaurus dictionary
n.
1 layer, level, stratification, table, vein, seam; plane:
These coal strata have been mined for hundreds of years.
2 level, caste, class, rank, station, standing, status, bracket, group, estate:
She married someone from a higher stratum of society.
Concise dictionary
strata|stratums'strætəm ,'streɪ- /'strɑːt-noun
+one of several parallel layers of material arranged one on top of another (such as a layer of tissue or cells in an organism or a layer of sedimentary rock)
+an abstract place usually conceived as having depth