| 单词 | lattice |
| 释义 | lattice —latticelike, adj. /lat"is/, n. , v. , latticed, latticing. 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. Physics. the structure of fissionable and nonfissionable materials geometrically arranged within a nuclear reactor. 4. Also called Bravais lattice, crystal lattice, space lattice. Crystall. an arrangement in space of isolated points (lattice points) in a regular pattern, showing the positions of atoms, molecules, or ions in the structure of a crystal. 5. Math. 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. 6. to furnish with a lattice or latticework. 7. to form into or arrange like latticework. [1350-1400; ME latis < MF lattis, deriv. of latte lath < Gmc; see LATH] Syn. 1. trellis, grille, screen, grid. |
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