different between valance vs valency

valance

English

Alternative forms

  • valaunce (obsolete)
  • valence
  • vallance (obsolete)

Etymology

Origin uncertain. Probably from Anglo-Norman valaunce, valence, from valer (go down, let down), aphetic form of Old French avaler (to descend, go down).

Pronunciation

  • IPA(key): /?væl?ns/
  • Rhymes: -æl?ns

Noun

valance (plural valances)

  1. A short curtain that usually hangs along the top edge of a window.
    • 1969, David G. Irwin, The Visual Arts, Taste and Criticism (page 27)
      Even the mantelpiece is adorned with a totally unfunctional tasselled valance rather like an altar frontal.
  2. A decorative framework used to conceal the curtain mechanism and so on at the top of a window.
  3. (bedding) A short, decorative edging of cloth that hangs from beneath the mattress to the floor used to conceal the boxspring or space under the bed and prevent dust from accumulating there.
  4. The drooping edging of the lid of a trunk, which covers the joint when the lid is closed.

Synonyms

  • (bedding): dust ruffle, bedskirt, bed ruffle

Derived terms

  • valanced

Translations

valance From the web:

  • what valances are in style
  • valence electrons
  • what's valance sheet
  • what's valance panel
  • valence mean
  • what's valance lighting
  • valence band
  • what does valence mean


valency

English

Alternative forms

  • valence

Etymology

From Late Latin valentia (power)

Pronunciation

  • enPR: v?'l?ns?, IPA(key): /?ve?l?nsi/

Noun

valency (countable and uncountable, plural valencies) (mostly UK)

  1. (graph theory) The number of edges connected to a vertex in a graph.
    Synonym: degree
  2. (especially chemistry) Valence.
  3. (linguistics) The capacity of a verb to take a specific number of arguments.
    Synonym: valence
  4. The capacity of something to combine with other things.

Derived terms

valency From the web:

  • what valence electrons
  • what valency in chemistry
  • what valency means
  • what valency of hydrogen
  • what valence electrons determine
  • what valence bond theory
  • what valence does metal have
  • what shows valence electrons
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