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filter down

1. (literally) Of a liquid, to slowly seep down through lower substrate levels. The company bottles rainwater that has filtered down through seven layers of volcanic rock, purifying it and enriching it with minerals.
2. (by extension) Of information, resources, communication, etc., to move slowly and in small amounts down to lower levels of people in an organization, population, or group. It always takes a dog's age for any important company information to filter down to me and the other interns. The government has approved a staggering $200 billion stimulus package, but some experts warn it could be years before that money filters down to individuals and smaller businesses.
See also: down, filter

filter up

Of information, resources, communication, etc., to move slowly and in small amounts up to higher levels of people in an organization, population, or group. Local think-tanks are developing new, pragmatic strategies to deal with the burgeoning housing crisis, but they are unlikely to filter up to the agenda of state lawmakers anytime soon.
See also: filter, up

#nofilter

A common hashtag on the social media and photo-sharing platform Instagram for pictures that have not been altered with the variety of filters offered in the app. What a gorgeous sunset tonight. #nofilter

filter in

 (to some place)
1. Lit. to leak or seep into some place. The smell of bacon cooking filtered into his room and made him wake up. The smoke filtered in and burned our eyes.
2. Fig. [for people] to come into a place, a few at a time, over a period of time. One by one, the guests filtered into the room. They filtered in and started on the snacks.
See also: filter

filter something out of something

 and filter something out
to remove something from a fluid by running it through a filter. We filtered the odors out of the water and made it fit to drink. I'm glad you filtered out the odor.
See also: filter, of, out

filter through (something)

to pass or seep through something. The water filtered through the coffee grounds and dripped into the pot. The clear water filtered through and left the sand behind.
See also: filter, through

filter down

v.
To pass or spread downward from an upper level to lower levels, as through a filter: The information slowly filtered down from management to the hourly employees.
See also: down, filter

filter out

v.
To prevent something from passing through, being communicated, or being perceived: My new glasses filter out ultraviolet rays. These headphones filter unwanted noise out.
See also: filter, out

filter through

v.
To be allowed to pass through something or to find a way through something, especially an obstacle: The sunlight filtered through the thin curtains.
See also: filter, through

bozo filter

n. a setting on an internet email reader that will filter out selected annoying people. (Refers to bozo, a jerk.) Welcome to my bozo filter, jerk!
See also: bozo, filter
References in periodicals archive ?
Press-mounted hoppers are eliminated and replaced with a small, filterless receiver.
BROWN: I had to find a way early on to touch 140,000 people, and I use e-mail for fast, frequent, filterless communication twice a month.
The display will include static exhibits of their smaller range of conveyors, together with a working system transferring material in an enclosed dust-free operation using their latest vacuum conveyors for granules, powders and 'difficult' materials and a stainless steel Vortax unit using cyclone technology with vacuum to produce a filterless conveyor.
K-Tron also announces its Hurricane vacuum loader for filterless conveying of pellets and granular powders at up to 50,000 lb/hr.
Back in the days when smoking on the field wasn't taboo, he often cupped a filterless cigarette in his palm while watching batting practice or in the dugout.
The FAB2210 combines a Class-G stereo cap-free headphone amplifier with a mono filterless Class-D speaker amplifier into one IC package, for excellent audio quality and low power dissipation resulting in extended battery runtime.
The PureFlo filterless vacuum receiver, introduced at the K 2013 show in Dusseldorf (see our January report), has proven its worth in a number of successful installations, according to Piovan of Italy, which offers the product here through its subsidiary, Universal Dynamics, Woodbridge, Va.
Their filterless and chemical-free air naturalizers can tackle any pet odor problem.
Called the Clear-Vu Loading System because of its see-through materials receivers, the loader has three chief components: a central unit with a vacuum blower and dust filter, a microprocessor controller, and up to eight filterless receivers for mounting over the hoppers of primary processing machines or auxiliary systems like blenders and dryers.
This air filterless design significantly reduces the units' maintenance costs, eliminating the need to clean a projector filter after every few hundred hours of operation.
Whether you prefer the flavor of an ultralight or a filterless cigarette, there is an e-cigarette option available.
The filterless Hurricane Hopper Loader offered by Filterless Conveying Systems is a quasi-closed-loop system particularly suited for transporting dried hygroscopic materials.
This new air filterless design significantly reduces the units' maintenance costs, eliminating the need to clean a projector filter after every few hundred hours of operation.
which has developed new filterless conveying technologies and other products to address problems in handling and storing "soft" polyoletin and abrasive resins and additives.