Efflorescence

//ˌɛfləˈɹɛsəns// noun

Definitions

Noun
  1. 1
    The formation of a powdery surface on crystals, as a hydrate is converted to anhydrous form by losing loosely bound water of crystallization to the atmosphere. countable, uncountable
  2. 2
    a powdery deposit on a surface wordnet
  3. 3
    The production of flowers. countable, uncountable
  4. 4
    the time and process of budding and unfolding of blossoms wordnet
  5. 5
    An encrustation of soluble salts, commonly white, deposited on the surface of stone, brick, plaster, or mortar; usually caused by free alkalies leached from mortar or adjacent concrete as moisture moves through it. countable, uncountable
Show 5 more definitions
  1. 6
    any red eruption of the skin wordnet
  2. 7
    An encrustation of soluble salts, deposited on rock or soil by evaporation; often found in arid or geothermal environments. countable, uncountable
  3. 8
    the period of greatest prosperity or productivity wordnet
  4. 9
    Rapid flowering of a culture or civilisation etc. countable, figuratively, uncountable

    "1919, a time when African American hopes for a just future following their service in World War I were dashed by violent reassertions of white supremacy, including the efflorescence and expansion of the KKK into the Midwestern and northwestern U.S."

  5. 10
    A redness, rash, or eruption on the skin. countable, uncountable

Etymology

Borrowed from French efflorescence, from Latin efflōrēscō (from ex- (“out”) + flōrēscō (“to blossom”)) + -ence. By surface analysis, effloresce + -ence.

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