any substance, as cloth, paper, porous porcelain, or a layer of charcoal or sand, through which liquid or gas is passed to remove suspended impurities or to recover solids.
2.
any device, as a tank or tube, containing such a substance for filtering.
3.
any of various analogous devices, as for removing dust from air or impurities from tobacco smoke, or for eliminating certain kinds of light rays.
4.
Informal. a filter-tipped cigarette or cigar.
5.
Photography. a lens screen of dyed gelatin or glass for controlling the rendering of color or for diminishing the intensity of light.
6.
Electronics,Physics. a circuit or device that passes certain frequencies and blocks others.
7.
Mathematics. a collection of subsets of a topological space, having the properties that the intersection of two subsets in the collection is a subset in the collection and that any set containing a subset in the collection is in the collection.
–verb (used with object)
8.
to remove by the action of a filter.
9.
to act as a filter for; to slow or partially obstruct the passage of: The thick leaves filtered the sunlight.
10.
to pass through or as through a filter.
–verb (used without object)
11.
to pass or slip through slowly, as through an obstruction or a filter: Enemy agents managed to filter into the embattled country.
to give up (something) for something else; part with for some equivalent; change for another.
2.
to replace (returned merchandise) with an equivalent or something else: Most stores will allow the purchaser to exchange goods.
3.
to give and receive reciprocally; interchange: to exchange blows; to exchange gifts.
4.
to part with in return for some equivalent; transfer for a recompense; barter: to exchange goods with foreign countries.
5.
Chess. to capture (an enemy piece) in return for a capture by the opponent generally of pieces of equal value.
–verb (used without object)
6.
to make an exchange; engage in bartering, replacing, or substituting one thing for another.
7.
to pass or be taken in exchange or as an equivalent.
–noun
8.
the act, process, or an instance of exchanging: The contesting nations arranged for an exchange of prisoners; money in exchange for services.
9.
something that is given or received in exchange or substitution for something else: The car was a fair exchange.
10.
a place for buying and selling commodities, securities, etc., typically open only to members.
11.
a central office or central station: a telephone exchange.
12.
the method or system by which debits and credits in different places are settled without the actual transfer of money, by means of bills of exchange representing money values.
13.
the discharge of obligations in different places by the transfer of credits.
14.
the amount or percentage charged for exchanging money, collecting a draft, etc.
15.
the reciprocal transfer of equivalent sums of money, as in the currencies of two different countries.
16.
the giving or receiving of a sum of money in one place for a bill ordering the payment of an equivalent sum in another.
KLFY - Found Sep. 18, 2008 ... spam filter that captures well over 98% of spam -- including the latest CNN and MSNBC spam ... overall performance of the Microsoft Exchange ...
KCAU-TV - Found Sep. 18, 2008 ... spam filter that captures well over 98% of spam -- including the latest CNN and MSNBC spam ... overall performance of the Microsoft Exchange ...
GFISoftware - Found Sep. 18, 2008 ... spam filter that captures well over 98% of spam – including the latest CNN and MSNBC spam ... performance of the Microsoft Exchange Server ...
KVOA 4 - Found Sep. 18, 2008 ... spam filter that captures well over 98% of spam -- including the latest CNN and MSNBC spam ... overall performance of the Microsoft Exchange ...
Nashville Business Journal - Found Sep. 18, 2008 ... spam filter that captures well over 98% of spam -- including the latest CNN and MSNBC spam ... overall performance of the Microsoft Exchange ...
Cincinnati Business Journal - Found Sep. 18, 2008 ... spam filter that captures well over 98% of spam -- including the latest CNN and MSNBC spam ... overall performance of the Microsoft Exchange ...
Atlanta Business Chronicle - Found Sep. 18, 2008 ... spam filter that captures well over 98% of spam -- including the latest CNN and MSNBC spam ... overall performance of the Microsoft Exchange ...
The Business Journal Phoenix - Found Sep. 18, 2008 ... spam filter that captures well over 98% of spam -- including the latest CNN and MSNBC spam ... overall performance of the Microsoft Exchange ...
Columbus Business First - Found Sep. 18, 2008 ... spam filter that captures well over 98% of spam -- including the latest CNN and MSNBC spam ... overall performance of the Microsoft Exchange ...
) 
