Infiltration

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infiltration

[‚in·fil′trā·shən]
(engineering)
Leakage of outdoor air into a building by natural forces, for example, by seepage through cracks or other openings.
(geology)
Deposition of mineral matter among the pores or grains of a rock by permeation of water carrying the matter in solution.
(hydrology)
Movement of water through the soil surface into the ground.
(metallurgy)
Filling the pores of a metal powder compact with metal having a lower melting point.
Movement of molten metal into the pores of a fiber or foam metal.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

Infiltration

1. In stormwater management, entry of runoff into the soil. Also, air that leaks into a building through cracks, joints, or damaged areas in a building.
2. Collects and filters stormwater into an aquifer. See also: Water management systems
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved

infiltration

1. The seepage or flow of air into a room or space through cracks around windows, under doors, etc.
2. In a concrete sewer pipe laid in soil, the volume of groundwater that enters the pipeline system.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
The diagnostic cytological features seen in FNA smears of HT are increased background lymphocytes, lymphocytic infiltration of thyroid follicular cell clusters, and Hurthle cells.
Instead, most glandular tissues from treatment groups revealed focal lymphocytic infiltration. Mononuclear follicles were disposed mainly around salivary ducts.
The stroma is scanty with lymphocytic infiltration present in a few cases.17Papillary renal cell carcinoma (PRCC) comprises10 15% of the renal cell carcinomas with higher rate of bilaterality and multicentricity than the clear cell variant.
A minor salivary gland biopsy from the lower lip revealed lymphocytic infiltration which further clinched the diagnosis.
The corresponding histopathological picture was described as cancer-filled duct-like structures associated with periductal lymphocytic infiltration and a periductal desmoplastic reaction.
The determination of focus score (FS) was based on the degree of lymphocytic infiltration in the whole biopsy.
Microscopically, it is characterized by lymphocytic infiltration of the glands, which results in their impairment or complete dysfunction.
Lymphocytic thyroiditis also suffered as auto immune thyroiditis characterized by lymphocytic infiltration of thyroid gland with progressive destruction of thyroid follicles.
folliculorum may also serve as a vector for Staphylococcus aureus, and has been associated with a perifollicular lymphocytic infiltration. (4) The perifollicular inflammation, epithelial hyperplasia, and follicular plugging cause the clinical blepharitis.
The lymphocytic infiltration (histological score) was graded using the method proposed by Greenspan et al.
It would be interesting to compare the results of this classifier to simple quantitation of lymphocytic infiltration into the resected tumors.
Mild lymphocytic infiltration at portal areas especially around the bile ducts giving an appearance of cholangitis was observed in all subgroups but it was predominantly noticed after sudden withdrawal (Figs.

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