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Webster 1913 Edition


Effloresce

Efˊflo-resce′

,
Verb.
I.
[
imp. & p. p.
Effloresced
;
p. pr. & vb. n.
Efflorescing
.]
[L.
efflorescere
to bloom, blossom;
ex
+
florescere
to begin to blossom, incho., fr.
florere
to blossom, fr.
flos
a flower. See
Flower
.]
1.
To blossom forth.
Carlyle.
2.
(Chem.)
To change on the surface, or throughout, to a whitish, mealy, or crystalline powder, from a gradual decomposition, esp. from the loss of water, on simple exposure to the air;
as, Glauber’s salts, and many others,
effloresce
.
3.
To become covered with a whitish crust or light crystallization, from a slow chemical change between some of the ingredients of the matter covered and an acid proceeding commonly from an external source;
as, the walls of limestone caverns sometimes
effloresce
with nitrate of calcium in consequence of the action of nitric acid formed in the atmosphere
.

Webster 1828 Edition


Effloresce

EFFLORESCE

,
Verb.
T.
efflores'. [L. effloresco, from floresco, floreo, to blossom, flos, a flower. See Flower.
1.
In chimistry, to form a mealy powder on the surface; to become pulverulent or dusty on the surface. Substances effloresce by losing their water of crystallization.
Those salts whose crystals effloresce, belong to the class which is most soluble, and crystalize by cooling.
2.
To form saline vegetation on the surface; or rather to shoot out minute spicular crystals; as the efflorescence of salts on plaster.

Definition 2024


effloresce

effloresce

English

Verb

effloresce (third-person singular simple present effloresces, present participle efflorescing, simple past and past participle effloresced)

  1. To burst into bloom; to flower.
  2. (figuratively) To come forth, to reach full glory or power.
    • 2012, Michael Silverstein, ‘The [] walked down the street’, London Review of Books, vol. 34 no. 21:
      Ferdinand de Saussure, who died in 1913 at the age of 55, sowed the seeds of structuralist thought that first took root in linguistics, then effloresced throughout the 20th century in fields as seemingly distinct as literary criticism, architecture, social anthropology and psychoanalysis.
  3. (chemistry) To change from being crystalline to being powdery by losing water of crystallization.
  4. To become covered with powder.

Related terms


Latin

Verb

efflōrēsce

  1. second-person singular present active imperative of efflōrēscō