What do a.m. and p.m. stand for?

expanded metal

sheet metal slotted and stretched to make a stiff network with openings of various patterns, used for lathing, wastebaskets, and various decorative and semistructural applications.
Origin of expanded metal
1885-90 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for expanded metal
  • Wood lath was gradually superseded by expanded metal lath introduced in the late-nineteenth and early-twentieth century.
  • The cage structure is made of expanded metal and is supported by brackets carried by legs which rest upon an outer annular plate.
  • Firm support can be obtained by using flat, expanded metal mesh to support the screen.
  • The blocks are commonly chalky in nature and may be held in place by chicken wire or expanded metal lath.
  • Install expanded metal sheave guard that can be easily removed for servicing and inspection.
British Dictionary definitions for expanded metal

expanded metal

an open mesh of metal produced by stamping out alternating slots in a metal sheet and stretching it into an open pattern. It is used for reinforcing brittle or friable materials and in fencing
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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