EFFLORESCENCE

efflorescence, bloom

(noun) a powdery deposit on a surface

blossoming, flowering, florescence, inflorescence, anthesis, efflorescence

(noun) the time and process of budding and unfolding of blossoms

rash, roseola, efflorescence, skin rash

(noun) any red eruption of the skin

flower, prime, peak, heyday, bloom, blossom, efflorescence, flush

(noun) the period of greatest prosperity or productivity

Source: WordNet® 3.1


Etymology

Noun

efflorescence (countable and uncountable, plural efflorescences)

(chemistry) 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.

(botany) The production of flowers.

(construction) 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.

(geology) An encrustation of soluble salts, deposited on rock or soil by evaporation; often found in arid or geothermal environments.

(metaphorical) Rapid flowering of a culture or civilisation etc.

(pathology) A redness, rash, or eruption on the skin.

Source: Wiktionary


Ef`flo*res"cence, n. Etym: [F. efflorescence.]

1. (Bot.)

Definition: Flowering, or state of flowering; the blooming of flowers; blowth.

2. (Med.)

Definition: A redness of the skin; eruption, as in rash, measles, smallpox, scarlatina, etc.

3. (Chem.) (a) The formation of the whitish powder or crust on the surface of efflorescing bodies, as salts, etc. (b) The powder or crust thus formed.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

19 October 2024

CYTOMEGALOVIRUS

(noun) any of a group of herpes viruses that enlarge epithelial cells and can cause birth defects; can affect humans with impaired immunological systems


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