• WordNet 3.6
    • n filtration the act of changing a fluid by passing it through a filter
    • n filtration the process whereby fluids pass through a filter or a filtering medium
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Century Dictionary and Cyclopedia
  • Interesting fact: In 1832, in Paisley, Scotland the first municipal water filtration works was opened
    • n filtration The act or process of filtering; the process of mechanically separating and removing the undissolved particles floating in a liquid, as by passing the liquid through filtering-paper, charcoal, sand, etc. See filter.
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Chambers's Twentieth Century Dictionary
    • n Filtration act or process of filtering
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In literature:

In many cities the filtration system is so good that private care of the water supply is unnecessary.
"General Science" by Bertha M. Clark
The sujjee is formed from the reha by filtration.
"A Journey through the Kingdom of Oude, Volumes I & II" by William Sleeman
Filtration plant and a vitalized school, 206.
"The Vitalized School" by Francis B. Pearson
Again, when the chemist wishes to finish his filtration quickly, he uses filters which have a large surface.
"The Breath of Life" by John Burroughs
Evaporate the filtrate to a syrup, and extract with successive portions of absolute alcohol.
"Aids to Forensic Medicine and Toxicology" by W. G. Aitchison Robertson
A check is kept on the efficiency of the filtration and sterilization by mobile field laboratories.
"On the Fringe of the Great Fight" by George G. Nasmith
The city's filtration plant was threatened.
"The True Story of Our National Calamity of Flood, Fire and Tornado" by Logan Marshall
To the filtrate add 5 cc.
"Human Foods and Their Nutritive Value" by Harry Snyder
The friction of the high pile of the velvet prevents the filtration of light through the joint.
"Woodwork Joints" by William Fairham
It separates in the form of crystals from the anthracene oil on cooling, and is removed by filtration.
"Coal" by Raphael Meldola

In news:

USDA requests city water filtration project be less than $5 million.
Enter daily to win awesome water- filtration tools.
The shoes are sold to fund water filtration systems and education in underdeveloped countries.
Others are considering air filtration systems.
Filters for Pre- Filtration of Biological Fluids.
BWT – Amiad to Supply Disc Filtration to Calgon Carbon.
At Hy-Pro Filtration , our objective is to optimize the?reliability of hydraulic and?lubrication assets?to keep?plants operating at peak productivity.
Our innovative filtration products?solve?a range of?contamination challenges that plague hydrauli.
Complementing Buffalo Filter's current LapEvac® system, is the new PlumePortTM Laparoscopic Plume Filtration device that improves surgical visibility and protects staff from the hazards of smoke during laparoscopic procedures.
Hydraulic Filtration Explored in February H&P.
In our promotional material sent to prospective advertisers about our February 2012 issue we promised to deliver a article about Hydraulic Filtration .
The Board will consider hiring independent contractor s to install and maintain air filtration systems in Wilmington and San Pedro schools.
A free symposium on air- filtration design and maintenance will be held Nov 24 from 9:30 am to 12:30 pm at Concordia University in Montreal, Quebec.
Industrial dry vacuum provides maximum filtration .
Neptune -Benson Inc, a manufacturer of commercial pool filtration systems, has acquired the business of Lawson Aquatics Inc, a manufacturer of main drain and rim-flow system components.

In science:

The basis {p# ρ } and filtrations in A In this section we review some results of [KO] and [IK].
Kerov's central limit theorem for the Plancherel measure on Young diagrams
Mazur, Filtrations on the homology of algebraic varieties.
Generalized Abel-Jacobi map on Lawson homology
Soul´e, Filtrations on higher algebraic K -theory, Algebraic K -theory (Seattle, WA, 1997), Proc.
A chain morphism for Adams operations on rational algebraic K-theory
Vagins, Selective Filtration of Gadolinium Trichloride for Use in Neutron Detection in Large Water Cherenkov Detectors, A Proposal for the U.S.
Gadolinium study for a water Cherenkov detector
A. Preprocessing : In the pre processing step, an image filtration is required to remove noise from the image, through background unification process to ease the isolation of patterns of interest (fish) from the background of the image in the next step.
Fish recognition based on the combination between robust feature selection, image segmentation and geometrical parameter techniques using Artificial Neural Network and Decision Tree