| Learning / English Dictionary |
CONCENTRATION
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I. (noun)
Sense 1
Meaning:
Strengthening the concentration (as of a solute in a mixture) by removing diluting material
Classified under:
Nouns denoting acts or actions
Hypernyms ("concentration" is a kind of...):
strengthening (the act of increasing the strength of something)
Hyponyms (each of the following is a kind of "concentration"):
pervaporation (the concentration of a colloidal solution whose colloid will not pass through a semipermeable membrane; solution is placed in a bag of the membrane and the solvent is evaporated off)
Antonym:
dilution (weakening (reducing the concentration) by the addition of water or a thinner)
Derivation:
concentrate (cook until very little liquid is left)
concentrate (be cooked until very little liquid is left)
concentrate (make denser, stronger, or purer)
concentrate (make more concise)
concentrate (compress or concentrate)
Sense 2
Meaning:
Bringing together military forces
Classified under:
Nouns denoting acts or actions
Hypernyms ("concentration" is a kind of...):
assemblage; assembly; gathering (the social act of assembling)
Derivation:
concentrate (draw together or meet in one common center)
Sense 3
Meaning:
Great and constant diligence and attention
Synonyms:
assiduity; assiduousness; concentration
Classified under:
Nouns denoting attributes of people and objects
Hypernyms ("concentration" is a kind of...):
diligence; industriousness; industry (persevering determination to perform a task)
Hyponyms (each of the following is a kind of "concentration"):
engrossment; intentness (the quality of being intent and concentrated)
singleness (the quality of concentrating on one central objective)
Derivation:
concentrate (direct one's attention on something)
Sense 4
Meaning:
The strength of a solution; number of molecules of a substance in a given volume
Classified under:
Nouns denoting attributes of people and objects
Hypernyms ("concentration" is a kind of...):
property (a basic or essential attribute shared by all members of a class)
Hyponyms (each of the following is a kind of "concentration"):
titer; titre (the concentration of a solution as determined by titration)
hydrogen ion concentration (the number of moles of hydrogen ions per cubic decimeter)
molal concentration; molality (concentration measured by the number of moles of solute per kilogram of solvent)
M; molar concentration; molarity (concentration measured by the number of moles of solute per liter of solution)
Derivation:
concentrate (make denser, stronger, or purer)
Sense 5
Meaning:
The spatial property of being crowded together
Synonyms:
compactness; concentration; denseness; density; tightness
Classified under:
Nouns denoting attributes of people and objects
Hypernyms ("concentration" is a kind of...):
spacing; spatial arrangement (the property possessed by an array of things that have space between them)
Antonym:
distribution (the spatial or geographic property of being scattered about over a range, area, or volume)
Derivation:
concentrate (draw together or meet in one common center)
Sense 6
Meaning:
Complete attention; intense mental effort
Synonyms:
absorption; concentration; engrossment; immersion
Classified under:
Nouns denoting cognitive processes and contents
Hypernyms ("concentration" is a kind of...):
attention (the faculty or power of mental concentration)
Hyponyms (each of the following is a kind of "concentration"):
centering; direction; focal point; focus; focusing; focussing (the concentration of attention or energy on something)
specialism (the concentration of your efforts on a particular field of study or occupation)
study (a state of deep mental absorption)
Derivation:
concentrate (direct one's attention on something)
Sense 7
Meaning:
Increase in density
Classified under:
Hypernyms ("concentration" is a kind of...):
increase (a change resulting in an increase)
Hyponyms (each of the following is a kind of "concentration"):
compaction; compression; concretion; densification (an increase in the density of something)
rarefaction (a decrease in the density of something)
Derivation:
concentrate (cook until very little liquid is left)
concentrate (be cooked until very little liquid is left)
concentrate (make denser, stronger, or purer)
Context examples:
The minimum inhibitory concentration of antibiotic is assessed.
(Agar Dilution Method, NCI Thesaurus)
The minimum concentration at steady state divided by the minimum concentration during the initial dosing interval.
(Accumulation Ratio Cmin, NCI Thesaurus)
The maximum concentration at steady state divided by the maximum concentration during the initial dosing interval.
(Accumulation Ratio Cmax, NCI Thesaurus)
A-DNA is the favored conformation at low water concentrations.
(A-DNA, NCI Thesaurus)
Using existing genetic sequencing technology, the researchers can then search for the aptamers and determine which proteins are present and in what concentrations.
(Study highlights potential for ‘liquid health check’ to predict disease risk, University of Cambridge)
The trough concentration at steady state divided by the trough concentration during the initial dosing interval.
(Accumulation Ratio Ctrough, NCI Thesaurus)
I know how he has narrowed the circle of his sympathies and duties, in the concentration of his whole mind upon me.
(David Copperfield, by Charles Dickens)
Aerosol inhalation may help achieve high concentrations of sargramostim in the lung.
(Aerosol Sargramostim, NCI Thesaurus)
This modification results in mediation of agonist-specific desensitization observed at high agonist concentrations.
(ADRBK1 wt Allele, NCI Thesaurus)
Drug administration via imbedded implants used as depot formulations to limit high drug concentrations to the area surrounding the pathology or to provide sustained drug release for systemic therapy.
(Administration via Implantation, NCI Thesaurus)
