lattice /latˈis/

1. A network of crossed laths or bars, also called lattˈicework
2. Anything of a similar pattern
3. A window with small, esp diamond-shaped panes set in lead, also called lattice window
4. The geometrically regular, three-dimensional arrangement of fissionable and non-fissionable material in an atomic pile
5. The regular arrangement of atoms in crystalline material
6. A system of lines for position-fixing overprinted on a navigational chart
7. A partially-ordered set in which any two elements have a least upper bound and a greatest lower bound (mathematics)
8. A space lattice (qv)

1. To form into open work
2. To provide with a lattice

lattˈice-bridge noun

A bridge of lattice-girders

lattice energy noun (chem)

Energy required to separate the ions of a crystal from each other to an infinite distance

• grounding
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• ground ivies
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• groundling
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• ground loop
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• ground mail
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• groundnut
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• ground-officer
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