ply

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ply

one of the strands twisted together to make rope, yarn, etc.

Ply

A thickness of material used for building up several layers, as in plywood and built-up roofing.

ply

[plī]
(materials)
A thin sheet of wood or other material bonded to one or more additional thin sheets, as in plywood.
(textiles)
A strand of yarn made by twisting together two or more strands.

ply

ply
One of a number of thin sheets in a layered construction, as in plywood, laminated panels, roofing felt, etc.

ply

(mathematics, data)
1. Of a node in a tree, the number of branches between that node and the root.

2. Of a tree, the maximum ply of any of its nodes.
References in periodicals archive ?
Hardy Poole, director of the product services division of the American Textiles Manufacturers' Institute, said, "Historically, in the United States, plied yarn counts as a single yarn, but in fabrics from offshore, labeled in their country of origin, plied yarns may be counted as two.
22) suggests that samples be plied to increase their effective thickness; this was done to determine the effect of varying sample thickness.
2 : to keep supplying <They plied their guest with food.