stratums

Variant of stratum

stratum definition

stra·tum (strāt′əm, strat′-)

noun pl. strata stra′ta (-ə) or stratums -·tums

  1. a horizontal layer or section of material, esp. any of several lying one upon another; specif.,
    1. Biol. a layer of tissue
    2. Geol. a single layer of sedimentary rock
  2. a section, level, or division, as of the atmosphere or ocean, regarded as like a stratum
  3. any of the socioeconomic groups of a society as determined by birth, income, education, etc.

Etymology: ModL < L, a covering, blanket < stratus, pp. of sternere, to spread, stretch out, cover: for IE base see strew

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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