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Smelt vs Undefined - What's the difference?

smelt | undefined |

As a noun smelt

is any small anadromous fish of the family osmeridae, found in the atlantic and pacific oceans and in lakes in north america and northern part of europe or smelt can be production of metal, especially iron, from ore in a process that involves melting]] and chemical reduction of metal [[compound|compounds into purified metal.

As a verb smelt

is (smell) or smelt can be to fuse or melt two things into one, especially in order to extract metal from ore; to meld.

As an adjective undefined is

lacking a definition or value.

smelt

English

Etymology 1

From (etyl) smelt.

Noun

(wikipedia smelt) (en noun)
  • Any small anadromous fish of the family Osmeridae, found in the Atlantic and Pacific Oceans and in lakes in North America and northern part of Europe.
  • (obsolete) A fool; a simpleton.
    • (Beaumont and Fletcher)

    Etymology 2

    From very early (etyl) smel; likely to derive from (etyl), but not recorded.

    Verb

    (head)
  • (smell)

    • Etymology 3

    Variant of the stem of (etyl) , cognate with Dutch smelten and German schmelzen.

    Noun

    (en noun)
  • Production of metal, especially iron, from ore in a process that involves melting]] and chemical reduction of metal [[compound, compounds into purified metal.
  • Any of the various liquids or semi-molten solids produced and used during the course of such production.
  • * 1982, Raymond E. Kirk and Donald F. Othmer, Encyclopedia of Chemical Technology ,[http://books.google.com/books?id=ELo2AAAAMAAJ] Wiley, ISBN 0471020729, page 405,
    • The green liquor, ie, [sic] the solution obtained on dissolving the smelt , contains an insoluble residue called dregs, which gives it a dark green appearance.
  • * 1996, Arthur J. Wilson, The Living Rock: The Story of Metals Since Earliest Time and Their Impact on Civilization ,
    • When the smelt was complete the crucible could be lifted out and the metal poured directly into the moulds, thus avoiding the need to break it up and remelt […]
  • * 2000, Julian Henderson, The Science and Archaeology of Materials: An Investigation of Inorganic Materials ,
    • […] can vary in different positions in the furnace and during the smelt .
    Furnaces are unlikely to survive the smelts ; all that often remains on metal production sites is just furnace bases and broken fragments of furnaces […]
  • * 2002, Jenny Moore, “Who Lights the Fire? Gender and the Energy of Production”, in Moira Donald and Linda Hurcombe (eds.), Gender and Material Culture in Archaeological Perspective ,[http://books.google.com/books?id=che-z_41CnkC] Palgrave Macmillan, ISBN 0312223986, page 130,
    • Women are allowed to play some small part in the smelt if they are breastfeeding or post-menopausal (van der Merwe and Avery, 1988).
    Quotations
    * (English Citations of "smelt")

    Verb

    (en verb)
  • to fuse or melt two things into one, especially in order to extract metal from ore; to meld

    • Anagrams

    * ----

    undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined