'Stratum' definitions:
Definition of 'stratum'
From: WordNet
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)
noun
People having the same social, economic, or educational status; "the working class"; "an emerging professional class" [syn: class, stratum, social class, socio-economic class]
noun
Definition of 'Stratum'
From: GCIDE
- Stratum \Stra"tum\, n.; pl. E. Stratums, L. Strata. The latter is more common. [L., from sternere, stratum, to spread; akin to Gr. ? to spread, strew. See Strew, and cf. Consternation, Estrade, Prostrate, Stratus, Street.]
- 1. (Geol.) A bed of earth or rock of one kind, formed by natural causes, and consisting usually of a series of layers, which form a rock as it lies between beds of other kinds. Also used figuratively. [1913 Webster]
- 2. A bed or layer artificially made; a course. [1913 Webster]
Synonyms of 'stratum'
From: Moby Thesaurus
- Appleton layer,
- band,
- bed,
- bedding,
- belt,
- blood,
- bracket,
- branch,
- caste,
- category,
- chemosphere,
- clan,
- class,
- couche,
- course,
- deck,
- division,
- estate,
- F layer,
- floor,
- gallery,
- grade,
- group,
- grouping,
- head,
- heading,
- Heaviside-Kennelly layer,
- ionosphere,
- isothermal region,
- kin,
- label,
- layer,
- ledge,
- level,
- lower atmosphere,
- measures,
- order,
- outer atmosphere,
- overlayer,
- overstory,
- photosphere,
- pigeonhole,
- plane,
- position,
- predicament,
- race,
- rank,
- rating,
- rubric,
- seam,
- section,
- sept,
- set,
- shelf,
- stage,
- standing,
- station,
- status,
- step,
- story,
- strain,
- stratification,
- stratosphere,
- subdivision,
- subgroup,
- suborder,
- substratosphere,
- substratum,
- superstratum,
- table,
- thickness,
- tier,
- title,
- topsoil,
- tropopause,
- troposphere,
- underlayer,
- understory,
- understratum,
- upper atmosphere,
- Van Allen belt,
- vein,
- zone