| / English Dictionary |
PURIFICATION
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
The act of purging of sin or guilt; moral or spiritual cleansing
Example:
purification through repentance
Classified under:
Nouns denoting acts or actions
Hypernyms ("purification" is a kind of...):
purgation; purge; purging (the act of clearing yourself (or another) from some stigma or charge)
Derivation:
purify (become clean or pure or free of guilt and sin)
Sense 2
Meaning:
A ceremonial cleansing from defilement or uncleanness by the performance of appropriate rites
Synonyms:
purgation; purification
Classified under:
Nouns denoting acts or actions
Hypernyms ("purification" is a kind of...):
ceremony (the proper or conventional behavior on some solemn occasion)
Derivation:
purify (make pure or free from sin or guilt)
Sense 3
Meaning:
The act of cleaning by getting rid of impurities
Classified under:
Nouns denoting acts or actions
Hypernyms ("purification" is a kind of...):
cleaning; cleansing; cleanup (the act of making something clean)
Derivation:
purify (remove impurities from, increase the concentration of, and separate through the process of distillation)
Sense 4
Meaning:
The process of removing impurities (as from oil or metals or sugar etc.)
Synonyms:
purification; refinement; refining
Classified under:
Nouns denoting natural processes
Hypernyms ("purification" is a kind of...):
processing (preparing or putting through a prescribed procedure)
Hyponyms (each of the following is a kind of "purification"):
rectification ((chemistry) the process of refinement or purification of a substance by distillation)
Derivation:
purify (remove impurities from, increase the concentration of, and separate through the process of distillation)
Context examples:
The Fermentation Shared Resource provides services for custom production, purification, and maintenance of microorganisms, microbial products, and other plant and animal cells for use in cancer research by Cancer Center investigators.
(Fermentation Shared Resource, NCI Thesaurus)
The protein is normally unstable during the purification and crystallization processes.
(Serotonin transporter structure revealed, NIH)
A multistep purification process that isolates plasma proteins based upon the differential solubility of proteins in ethanol solutions.
(Plasma Protein Cold Ethanol Fractionation, NCI Thesaurus)
A high level of synthetic control is achieved through step-wise reactions and purifications at each step to control the size, architecture, functionality and monodispersity.
(Dendrimer, The Titi Tudorancea Bulletin)
A low molecular weight heparin (LMWH) composed of a heterogeneous mixture of sulfated polysaccharide glycosaminoglycan chains obtained by depolymerisation of porcine mucosal sodium heparin, extraction/purification and conversion to the calcium salt.
(Nadroparin Calcium, NCI Thesaurus)
Methods of fractionation, isolation, and purification based on the physico-chemical properties of the substance, e.g. crystallization, distillation, solubility (miscibility).
(Chemical Fractionation, NCI Thesaurus)
In purification of drinking water, aluminum sulfate acts as a flocculating agent which causes impurities to coagulate and sediment, so that they are easily removed by filtration.
(Aluminum Sulfate, NCI Thesaurus)
Although several chemical mediators are active upon eosinophils in vitro, a central role in eosinophil accumulation in vivo is emerging for the C-C chemokine eotaxin, which was first identified in a guinea pig model of allergic airway inflammation using protein purification and microsequencing.
(Allergy Chemokine Network Pathway, NCI Thesaurus/BIOCARTA)
Nuclear extracts contain proteins in nuclear compartment of the cell and are used to monitor transcription factor activation in a variety of standard protocols, including electrophoresis mobility shift assay (EMSA), DNA footprinting, Western blotting and preparative purification of nuclear proteins.
(Nuclear Extract, NCI Thesaurus)
The system could provide cheap and low-tech water filtration to rural, arid areas, such as the North African and Asian deserts, where water preservation is crucial for farmers and expensive, industrial water purification is not available.
(Soil-based filter bricks clean up water for Moroccan farmers, SciDev.Net)
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