bleeding

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bleeding

[′blēd·iŋ]
(chemical engineering)
The undesirable movement of certain components of a plastic material to the surface of a finished article. Also known as migration.
(engineering)
Natural separation of a liquid from a liquid-solid or semisolid mixture; for example, separation of oil from a stored lubricating grease, or water from freshly poured concrete. Also known as bleedout.
(materials)
The outward penetration of a coloring agent from a substrate through the surface coat of paint.
The movement of grout through a pavement from below a road surfacing material to the outer surface.
(textiles)
Referring to a fabric in which the dye is not fast and therefore comes out when the fabric is wet.

bleeding

1. The upward penetration of a coloring pigment from a substrate through a topcoat of paint.
2. The oozing of grout from below a road-surfacing material to the surface in hot weather.
3. Exudation of one or more components of a sealant, with possible absorption by adjacent porous surfaces.
4. The autogenous flow of mixing water within, or its emergence from, newly placed concrete or mortar; caused by the settlement of the solid materials within the mass or by drainage of mixing water; also called water gain.
5. The diffusion of coloring matter through a coating from the substrate, or the discoloration that arises from such a process.
References in periodicals archive ?
Oral contraceptive regimens that reduce the amount of withdrawal bleeding also have been investigated.
Unscheduled bleeding was defined as vaginal bleeding during active pill days, except days 1-4 of cycle 2 or 3 if adjacent to withdrawal bleeding, and days 1-7 of cycle 1.
Three patients had an ovulatory menstrual cycle, and two others had preovulatory follicular development and withdrawal bleeding during treatment.
Moreover, there were consistent differences in length of scheduled withdrawal bleeding episodes, with a median of 3 days for Seasonique and 4 days for Seasonale, he said.
There is no medical rationale for monthly withdrawal bleeding while on hormonal contraceptives," he added.
Women were not aware that the monthly bleeding that occurs with oral contraceptives is withdrawal bleeding, not menstrual bleeding.
With regard to withdrawal bleeding, 45% said it was less than when using other methods, 45% said was the same, and 10% said it was longer.
Three patients experienced an ovulatory menstrual cycle, and two others had preovulatory follicular development and withdrawal bleeding during treatment, Dr.