Answer: stratum

AnswerCrossword Clue
STRATUMHorizontal layer.
stratumlayer of tissue deep stratum of the skin
stratumstatistical subpopulation
stratumsheetlike mass of sedimentary rock or earth of one kind lying between beds of other kinds
stratumpart of a historical or sociological series representing a period or a stage of development
stratumregion of the sea or atmosphere that is analogous to a stratum of the earth
stratumsocioeconomic level of society comprising persons of the same or similar status especially with regard to education or culture
stratuma layer of material
stratuma bed or layer artificially made
stratumlayer of material
STRATUMSocial level
STRATUMRock unit
STRATUMSheet of rock
STRATUMSocial layer
STRATUMLayer.
STRATUMSocial layer.
STRATUMPart of society.
STRATUMSheetlike mass of rock.
STRATUMRank
STRATUMCaste
STRATUMEchelon
STRATUMCloud layer
STRATUMRock layer
STRATUMLevel
STRATUMBedrock, e.g.
STRATUMLayer