DILUTION

Pronunciation (US):

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IPA (US):

 Dictionary entry overview: What does dilution mean? 

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

1. a diluted solution

2. weakening (reducing the concentration) by the addition of water or a thinner

  Familiarity information: DILUTION used as a noun is rare.

 Dictionary entry details 

• DILUTION (noun)

Sense 1

Meaning:

A diluted solution

Classified under:

Nouns denoting substances

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

solution (a homogeneous mixture of two or more substances; frequently (but not necessarily) a liquid solution)

Derivation:

dilute (lessen the strength or flavor of a solution or mixture)

Sense 2

Meaning:

Weakening (reducing the concentration) by the addition of water or a thinner

Classified under:

Nouns denoting acts or actions

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

weakening (the act of reducing the strength of something)

Hyponyms (each of the following is a kind of "dilution"):

cutting; thinning (the act of diluting something)

Antonym:

concentration (strengthening the concentration (as of a solute in a mixture) by removing diluting material)

Derivation:

dilute (lessen the strength or flavor of a solution or mixture)

dilute (corrupt, debase, or make impure by adding a foreign or inferior substance; often by replacing valuable ingredients with inferior ones)

 Context examples 

A dosing unit that is based on homeopathic dilution.

(Homeopathic Dilution Unit, NCI Thesaurus)

The renal disease and hypertension are under independent genetic control, and both appear to be independent of the red-eyed dilution gene which causes platelet storage disease (Brown et al,1996)

(FHH, Rat Strain, NCI Thesaurus)

A concentrate that usually requires dilution prior to oral administration.

(Concentrated Oral Dosage Form, NCI Thesaurus)

Preparation of a homeopathic substance with a ratio of one part original material to 100 parts of water; a faster and cost-effective dilution method developed by Semyon Korsakov.

(Centesimal Korsakovian Series of Attenuation, NCI Thesaurus)

A method to determine microbial susceptibility to antibiotics in which test bacteria is inoculated onto agar plates with serial dilutions of know quantities of antibiotics.

(Agar Dilution Method, NCI Thesaurus)

The values are expressed in hemolytic complement units per milliliter (CH50), the dilution of serum required to lyse 50 percent of the erythrocytes in the assay.

(Complement Hemolytic Activity Assay, NCI Thesaurus)

Concentration in serum of the antibody that recognizes a particular epitope expressed as the reciprocal of the highest serum dilution that produces the specific positive immunologic reaction in an appropriate test system.

(Antibody Titer, NCI Thesaurus)

A potency unit for measuring infectious activity of a biologic product or infectious agent preparation equal to a base-10 logarithm of amount of product or agent preparation that causes infection in the 50% of the tissue culture-containing flasks inoculated with that dilution of infectious material in the product potency assay or pathogen activity assay.

(Log10 50 Percent Tissue Culture Infective Dose, NCI Thesaurus)

A potency unit for measuring infectious activity of a biologic product or infectious agent preparation equal to a base-10 logarithm of amount of product or agent preparation that causes infection in the 50% of the cell culture-containing vessels inoculated with that dilution of infectious material in the product potency assay or pathogen activity assay.

(Log10 50 Percent Cell Culture Infective Dose, NCI Thesaurus)

A therapeutically inactive ingredient of a fluid pharmaceutical dosage form that is used to increase the volume of the material to accommodate easier processing of the drug (especially accurate dilutions) and to make it a suitable size for patient consumption.

(Diluent Excipient, NCI Thesaurus)