INFILTRATION

Pronunciation (US):

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IPA (US):

 Dictionary entry overview: What does infiltration mean? 

• INFILTRATION (noun)
  The noun INFILTRATION has 2 senses:

1. a process in which individuals (or small groups) penetrate an area (especially the military penetration of enemy positions without detection)

2. the slow passage of a liquid through a filtering medium

  Familiarity information: INFILTRATION used as a noun is rare.

 Dictionary entry details 

• INFILTRATION (noun)

Sense 1

Meaning:

A process in which individuals (or small groups) penetrate an area (especially the military penetration of enemy positions without detection)

Classified under:

Nouns denoting acts or actions

Hypernyms ("infiltration" is a kind of...):

incursion; penetration (an attack that penetrates into enemy territory)

Domain category:

armed forces; armed services; military; military machine; war machine (the military forces of a nation)

Derivation:

infiltrate (pass through an enemy line; in a military conflict)

infiltrate (enter a group or organization in order to spy on the members)

Sense 2

Meaning:

The slow passage of a liquid through a filtering medium

Classified under:

Nouns denoting natural processes

Synonyms:

infiltration; percolation

Context example:

the infiltration of seawater through the lava

Hypernyms ("infiltration" is a kind of...):

filtration (the process whereby fluids pass through a filter or a filtering medium)

Derivation:

infiltrate (pass into or through by filtering or permeating)

infiltrate (cause (a liquid) to enter by penetrating the interstices)

 Context examples 

A malignant neoplasm in which there is infiltration of the skin by neoplastic large cells with abundant pale cytoplasm and large nuclei with prominent nucleoli (Paget cells).

(Extramammary Paget Disease, NCI Thesaurus)

A murine leukemia virus producing leukemia of the reticulum-cell type with massive infiltration of liver, spleen, and bone marrow.

(Friend Murine Leukemia Virus, NCI Thesaurus)

Etretinate activates retinoid receptors, causing an induction of cell differentiation, inhibition of cell proliferation, and inhibition of tissue infiltration by inflammatory cells.

(Etretinate, NCI Thesaurus)

This is usually an oligoclonal CD8+ lymphocytic infiltration of various organs.

(Diffuse Infiltrative Lymphocytosis Syndrome, NCI Thesaurus)

A desmoplastic melanoma characterized by the presence of nerve infiltration by atypical spindled melanocytes.

(Desmoplastic Neurotropic Melanoma, NCI Thesaurus)

A malignant astrocytic neoplasm characterized by a high degree of cellular differentiation, slow growth, and diffuse infiltration of neighboring brain structures.

(Diffuse Astrocytoma, NCI Thesaurus/CDISC)

Extensive and diffuse infiltration of tissues by ganglioneuroma.

(Ganglioneuromatosis, NCI Thesaurus)

Infiltration of the meninges by chronic myelogenous leukemia.

(Meningeal Chronic Myelogenous Leukemia, BCR-ABL1 Positive, NCI Thesaurus)

It is characterized by a solid pattern, lack of prominent keratinization, infiltration of the marrow spaces, and osseous resorption.

(Non-Keratinizing Primary Intraosseous Squamous Cell Carcinoma -Solid Type, NCI Thesaurus)

A malignant neoplasm in which there is infiltration of the skin overlying the breast by neoplastic large cells with abundant pale cytoplasm and large nuclei with prominent nucleoli (Paget cells).

(Paget Disease of the Breast, NCI Thesaurus)