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The Collaborative International Dictionary

Multiple \Mul"ti*ple\, a. [Cf. F. multiple, and E. quadruple, and multiply.] Containing more than once, or more than one; consisting of more than one; manifold; repeated many times; having several, or many, parts.

Law of multiple proportion (Chem.), the generalization that when the same elements unite in more than one proportion, forming two or more different compounds, the higher proportions of the elements in such compounds are simple multiples of the lowest proportion, or the proportions are connected by some simple common factor; thus, iron and oxygen unite in the proportions FeO, Fe2O3, Fe3O4, in which compounds, considering the oxygen, 3 and 4 are simple multiplies of 1. Called also the Law of Dalton or Dalton's Law, from its discoverer.

Multiple algebra, a branch of advanced mathematics that treats of operations upon units compounded of two or more unlike units.

Multiple conjugation (Biol.), a coalescence of many cells (as where an indefinite number of am[oe]boid cells flow together into a single mass) from which conjugation proper and even fertilization may have been evolved.

Multiple fruits. (Bot.) See Collective fruit, under Collective.

Multiple star (Astron.), several stars in close proximity, which appear to form a single system.


FeO, FEO, or similar may refer to:

  • F. E. Osborne Junior High School, Calgary, Alberta, Canada
  • Firearms Enquiry Officer, a civilian member of British police forces
  • Front End Optimization, a group of techniques to improve online content delivery
  • Iron(II) oxide, with chemical symbol FeO
  • Wüstite, a mineral form of iron(II) oxide

Feo is the name of:

  • Feo Aladag (born 1972), Australian film director and actor
  • Francesco Feo (1691–1761), Italian composer
  • Frutos Feo (born 1972), Spanish athlete
  • Danish pop group of the 1970s, Bedste på den fede måde

Usage examples of "feo".

In a few moments after he had settled in, the door to the street opened and closedthat would be Feo, going to join their father.

The best writers, according to Symonds, were Feo Belcari and Castellano Castellani.