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Meaning of lattice

lat•tice

Pronunciation: (lat'is), [key]
— n., v., -ticed, -tic•ing.
—n.
  1. a structure of crossed wooden or metal strips usually arranged to form a diagonal pattern of open spaces between the strips.
  2. a window, gate, or the like consisting of such a structure.
  3. the structure of fissionable and nonfissionable materials geometrically arranged within a nuclear reactor.
  4. Also calledan arrangement in space of isolated points in a regular pattern, showing the positions of atoms, molecules, or ions in the structure of a crystal.
  5. a partially ordered set in which every subset containing exactly two elements has a greatest lower bound or intersection and a least upper bound or union.
—v.t.
  1. to furnish with a lattice or latticework.
  2. to form into or arrange like latticework.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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