rub-off
1. The wearing away by abrasion of the cloth
covering of a book. The Library Binding Institute
standards call for a cloth that will resist
rub-off to the degree that the loss by abrasion
will not exceed 8% of the weight of the fabric,
when subjected to abrasion for 2 minutes by fine
flint paper (2/0), on a disc 2 inches in diameter
turning at 1,250 r.p.m. under 3 pounds pressure.
2. Printing ink which has rubbed onto the fingers
from a printed sheet which has not dried
sufficiently. See also: OFFSET (2) . See: RUB (1) . (34 )
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