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1. Oxford Dictionary

   filter

   • IPA[ˈfɪltə]

   英式

   • n.
     a porous device for removing impurities or solid particles from a liquid or gas passed through it；a filter tip
   • v.
     pass (a liquid, gas, light, or sound) through a device to remove unwanted material；process or assess (items) in order to reject those that are unwanted

   • verb: filter, 3rd person present: filters, gerund or present participle: filtering, past tense: filtered, past participle: filtered

   • noun: filter, plural noun: filters

2. • 釋義
   • 相關詞
   • 片語

   n.

   名詞

   • 1. a porous device for removing impurities or solid particles from a liquid or gas passed through it an oil filter
   • ▪ a filter tip a cheap filter cigarette
   • ▪ a screen, plate, or layer of a substance which absorbs light or other radiation or selectively absorbs some of its components filters can be used in photography to reduce haze
   • ▪ a device for suppressing electrical or sound waves of frequencies not required.
   • ▪ (in image-editing software) a function used to alter the overall appearance of an image in a specific manner many other apps also offer filters for enhancing photos
   • ▪ a piece of software that processes data before passing it to another application, for example to reformat characters or to remove unwanted types of material.
   • 2. British an arrangement whereby vehicles may turn left (or right) while other traffic waiting to go straight ahead or turn right (or left) is stopped by a red light a filter lane
   • ▪ a traffic light signalling a filter arrangement.

   v.

   動詞

   • 1. pass (a liquid, gas, light, or sound) through a device to remove unwanted material the eye filters out ultraviolet radiation 同義詞 sieve, strain, sift, filtrate, riddle, ... 更多clarify, purify, clear, clean, make pure, refine, treat, process, decontaminate
   • ▪ process or assess (items) in order to reject those that are unwanted you'll be put through to a secretary whose job it is to filter calls the brain has the ability to filter out information it considers non-essential
   • ▪ process or treat with a filter.
   • 2. move slowly in a specified direction the players filtered out on to the pitch 同義詞 seep, percolate, leak, trickle, ooze, ... 更多dribble, bleed, flow, drain, well, exude, escape, leach
   • ▪ (of light or sound) enter a place slowly or in small quantities sunlight filtered in through the thin curtains 同義詞 seep, percolate, leak, trickle, ooze, ... 更多dribble, bleed, flow, drain, well, exude, escape, leach
   • ▪ (of information) gradually become known the news began to filter in from the hospital
   • ▪ British (of traffic) be allowed to pass to the left or right at a junction while traffic going straight ahead is halted.

   filter tip

   • n.
     a filter attached to a cigarette for removing impurities from the inhaled smoke.

   Oxford Dictionary

   filter tip

   • n.
     a filter attached to a cigarette for removing some components from the inhaled smoke.

   Oxford American Dictionary

   filter cake

   • n.
     a deposit of insoluble material left on a filter.

   Oxford American Dictionary

   filter press

   • n.
     a device consisting of a series of cloth filters fixed to frames, used for the large-scale ...

   Oxford Dictionary

   filter bed

   • n.
     a tank or pond containing a layer of sand or gravel, used for filtering large quantities of liquid.

   Oxford American Dictionary

   polarizing filter

   • n.
     a photographic or optical filter that polarizes the light passing through it, used chiefly for ...

   Oxford American Dictionary

   notch filter

   • n.
     a filter that attenuates signals within a very narrow band of frequencies.

   Oxford American Dictionary

   colour filter

   • n.
     a photographic filter that absorbs light of certain colours: a colour filter wheel

   Oxford Dictionary

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   片語

   • have no filter
3. • 更多解釋

   filter

   • IPA[ˈfiltər]

   美式

   • n.
     a porous device for removing impurities or solid particles from a liquid or gas passed through it: an oil filter
   • v.
     pass (a liquid, gas, light, or sound) through a device to remove unwanted material: the patient is hooked up to a dialysis machine twice a week to filter out the cholesterol in the blood

   Oxford American Dictionary