stratum

A layer of sedimentary rock; plural is strata.
Found on http://www.ucmp.berkeley.edu/glossary/glossary_2.html

stratum

[n] - one of several parallel layers of material arranged one on top of another (such as a layer of tissue or cells in an organism)
Found on http://www.webdictionary.co.uk/definition.php?query=stratum

Stratum

Stra'tum noun ; plural English Stratums , Latin Strata . The latter is more common. [ Latin , from sternere , stratum , to spread; akin to Greek ... to spread, strew. See Strew , and confer Consternation , Estrade , Prostrate , Stra...
Found on http://www.encyclo.co.uk/webster/S/208

stratum

A layer of vegetation used to determine dominant species in a plant community. ... (09 Oct 1997) ...
Found on http://www.encyclo.co.uk/local/20973

stratum

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)
Found on http://wordnetweb.princeton.edu/perl/webwn?s=stratum

stratum

(strat´әm) (stra´tәm) a sheetlike mass of tissue; see also lamina and layer.
Found on http://www.encyclo.co.uk/local/21001

Stratum

• (n.) A bed or layer artificially made; a course. • (n.) 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.
Found on http://thinkexist.com/dictionary/meaning/stratum/

stratum

(from the article `Grand Canyon`) ...Park, which encompasses the river`s length from Lake Powell (formed by Glen Canyon Dam in 1963) to Lake Mead (formed by Hoover Dam in 1936). In ... ...characteristics from the material with which they are interstratified (sometimes stated as interbedded, or interlayered). These beds, or strata, ... ...
Found on http://www.britannica.com/eb/a-z/s/170

stratum

(from the article `statistics`) Stratified simple random sampling is a variation of simple random sampling in which the population is partitioned into relatively homogeneous groups ...
Found on http://www.britannica.com/eb/a-z/s/170

stratum

stratum (singular), strata (plural) 1. Any of several parallel layers or levels of something. 2. A layer of the atmosphere or the sea. 3. In biology, a layer of living cells; or a layer, i.e., a sheetlike mass of substance of nearly uniform thickness, especially when the layer is one of several associated layers, as in tissue. 4. A horizontal...
Found on http://www.wordinfo.info/words/index/info/view_unit/2047/2

stratum

A single layer or bed of sedimentary rock, usually one of a series of layers that have been deposited one on top of another. Each stratum indicates the conditions that prevailed at the time of its deposition. The study of strata is called stratigraphy. The stratigraphical or geological column contai...
Found on http://www.daviddarling.info/encyclopedia/S/stratum.html

Stratum

Stratum is a geological term describing a mass of sedimentary rock (a strata) of great horizontal extent, which was deposited more or less continuously on the bottom of former seas or lakes, or sometimes on the surface of flat plains or deserts. Stratified rocks are mostly sandstones, shales and limestone.
Found on http://www.probertencyclopaedia.com/browse/HS.HTM

stratum

Type: Term Pronunciation: strat′ŭm, tă; strā′tŭm; tī Definitions: 1. One of the layers of differentiated tissue, the aggregate of which forms any given structure, such as the retina or the skin.
Found on http://www.medilexicon.com/medicaldictionary.php?t=85283

stratum

Latin = a covering sheet, or layer.
Found on http://www.anatomy.usyd.edu.au/glossary/glossary.cgi?

Stratum

[linguistics] In linguistics, a stratum or strate (layer) is a language that influences, or is influenced by another through contact. A substratum or substrate is a language which has lower power or prestige than another, while a superstratum or superstrate is the language that has higher power or prestige. Both substratum and superstratum ...
Found on http://en.wikipedia.org/wiki/Stratum_(linguistics)

Stratum

In geology and related fields, a stratum (plural: strata) is a layer of sedimentary rock or soil with internally consistent characteristics that distinguish it from other layers. The `stratum` is the fundamental unit in a stratigraphic column and forms the basis of the study of stratigraphy. ==Characteristics== Each layer is generally one of a n.....
Found on http://en.wikipedia.org/wiki/Stratum

STRATUM

A tabular or sheet-like mass, or a single, distinct layer of material of any thickness, separable from other layers above and below by a discrete change in character of the material or by a sharp physical break, or by both. The term is generally applied to sedimentary rocks, but could be applied to any tabular body of rock. (see also Bed)
Found on http://www.encyclo.co.uk/local/22047

stratum

Layer of sedimentary rock compromised of one rock type. Layers of strata containing different rocks may form parallel bands of different rock. Strata is the plural form of stratum.
Found on http://www.encyclo.co.uk/local/22291

stratum

A layer of sedimentary rock; plural is strata.
Found on http://www.scientificpsychic.com/etc/geology-glossary.html

stratum

people having the same social or economic status
Found on https://www.vocabulary.com/lists/52342

stratum

A layer of sedimentary rock; plural is strata.
Found on http://www.ucmp.berkeley.edu/glossary/gloss2geol.html
No exact match found