Synonym: cleanse, drain, percolate, purify, refine, screen, separate, sift, strain. Similar words: filtering, alter, shelter, alternative, fail to, built up, svelte, file. Meaning: ['fɪltə(r)] 
n. 1. device that removes something from whatever passes through it 2. an electrical device that alters the frequency spectrum of signals passing through it. v. 1. remove by passing through a filter 2. pass through 3. run or flow slowly, as in drops or in an unsteady stream.
n. 1. device that removes something from whatever passes through it 2. an electrical device that alters the frequency spectrum of signals passing through it. v. 1. remove by passing through a filter 2. pass through 3. run or flow slowly, as in drops or in an unsteady stream. 
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61. Above: Clockwise from top - Lotus filter and foam; charcoal for chemical filters.
62. The bi-word filter eliminated some possibilities but was not good enough to find a single interpretation.
63. Run it into two uplifts at opposite ends of the tank, and pack it with filter floss and carbon.
64. Choose the Filter sub menu, then choose the name of your filter.
65. At present, the filter only works on certain types of diesel engines.
66. All rocks would need to be bedded on the filter plates to prevent undermining, as Uaru are prodigious diggers when spawning.
67. Start by covering the base of the tank as fully as possible with undergravel filter plates.
68. To discover how to find the component values of a synthesised high-pass filter, consider the particular case of a second-order type.
69. Some chemical treatments can affect foam media, but a filter pad is immune.
70. I would also advise a canister filter fitted with activated carbon.
71. I photographed them against a backdrop of distant volcanoes using a yellow filter to accentuate the wispy white clouds above.
72. We would suggest you try a mains filter before getting involved with trying to eliminate radiated r.f.i.
73. Irene said, as Anastasia put a filter into the Chemex spooned in coffee, and poured on boiling water.
74. The high-pass filter is unsuitable for use as a delay line because the delay in the pass band depends markedly on frequency.
75. Interpet products are widely available in the aquatic trade, in case of difficulty contact Another internal power filter comes to us from Eheim.
76. The equipment need only be a sponge filter, air pump and heaterstat.
77. Do not use coral sand as a filter bed substrate as this will gradually dissolve and affect the calcium level.
78. Does it set back the filter bacteria, denied of the first stage of the nitrogen equation?
79. I really should have had an accountant to act as a buffer, and filter all money issues through his skeptical gaze.
80. The noises of men talking and laughing and the sound of champagne corks popping filter out into the corridor.
81. Remember you are putting organic matter into your tank, but you will not be upsetting the bacteria living in your filter.
82. Most proprietary medications are designed not to kill filter bacteria.
83. Probably the only effective cure for green water is a U/V filter.
84. There is a filter on the inlet side of the fuel pump which may be partially blocked and obstructing fuel flow.
85. His undergravel filter, therefore was best powered by an air pump rather than powerheads.
85. Wish you will love sentencedict.com and make progress everyday!
86. One additional problem which can arise is a noisy vibrating pump due to poor maintenance of the adsorption filter.
87. Clause 4 simply gives more details of this filter system for checking qualifications and licences.
88. It occurs when dust particles high in the atmosphere filter out most of the longer wavelengths of red light.
89. It can take up to 30 days, dependant on temperature for a biological filter to become established.
90. They also conceal electrical wiring, filter tubes, and any other clutter behind the tank.