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filter

/ˈfɪltə(r)/noun

उच्चारण फ़िल्टर

छन्नी, फ़िल्टर

Core wordPYP · asked 1 time

Asked in previous papers

as synonym

SSC CGL Pre 2021
noun
  1. 1

    [C]

    a device containing paper, sand, that a liquid or gas is passed through in order to remove any materials that are not wanted

    छन्नी, फ़िल्टर

    • a water filter
    • Clean the filter of the water purifier every month.
    • We fitted a new filter to the kitchen tap last week.
    + 2 more examples
    • An air filter keeps dust out of the car engine.
    • The coffee machine needs a fresh paper filter every morning.

    Synonyms strainer sieve purifier mesh membrane

verb
  1. 1

    [T] ~ sth

    to pass liquid, light through a special device, especially to remove something that is not wanted

    छानना

    • Filter the water before drinking.
    • Radhika filtered the tea through a clean cloth before serving it.
    • The lab technician filtered the solution to remove the sand.
    + 2 more examples
    • Curtains filter the strong afternoon sun, so the room stays cool.
    • Water is filtered several times before it reaches the city's taps.

    Synonyms strain sieve purify refine screen

  2. 2

    [I] + adv./prep.

    (of people) to move slowly in a particular direction; (of information) to become known gradually

    धीरे-धीरे आना या फैलना

    • News of the result filtered through.
    • People began to filter out of the stadium after the last over.
    • Reports of the accident slowly filtered back to the village.
    + 2 more examples
    • The crowd filtered into the hall as the doors opened.
    • Rumours about the new timetable began to filter down to the students.

    Synonyms trickle seep leak percolate spread

§Structures (grammar patterns) 4

filter (noun) for sth

Use for to say what a filter is used on or for: a filter for water, a filter for coffee.

फ़िल्टर किस काम में आता है यह बताने के लिए 'for' आता है: पानी का फ़िल्टर, कॉफ़ी का फ़िल्टर।

  • We fitted a filter for drinking water in the kitchen.

filter sth (through sth)

As a transitive verb, filter means to pass a liquid or light through something to clean it.

सकर्मक क्रिया के रूप में 'filter' का अर्थ है किसी तरल या प्रकाश को किसी चीज़ से गुज़ारकर साफ़ करना।

  • Radhika filtered the tea through a thin cloth.
  • The curtains filter the strong afternoon light.

filter + direction word (intransitive)

When people, light or news move slowly, filter is intransitive and takes into, through, out or in.

जब लोग, रोशनी या खबरें धीरे-धीरे चलें, तब 'filter' अकर्मक होता है और into, through, out या in के साथ आता है।

  • Students filtered into the hall one by one.
  • News of the result slowly filtered through to the village.

filter sth out (phrasal verb)

Filter out means to remove something unwanted from a group or mixture, often by a system or rule.

'Filter out' का अर्थ किसी समूह या मिश्रण से अवांछित चीज़ को हटाना है, प्रायः किसी व्यवस्था या नियम से।

  • The software filters out spam emails.
  • Use a net to filter out the dirt.
+Collocations 4

adjective + filter

waterairoilcoffeespamphoto

  • The mechanic changed the oil filter of the scooter.

verb + filter

installreplacecleanapplyuse

  • Please clean the water filter every month.

filter + noun

papercoffeebagsystemtipcloth

  • Filter coffee is popular in southern India.

filter + adverb

slowlygraduallythroughbackdown

  • Rumours about the strike gradually filtered down to the workers.
“More examples 5
  • A good water filter removes germs and dirt.

एक अच्छा पानी का फ़िल्टर कीटाणु और गंदगी हटा देता है।

  • Sunlight filtered through the leaves of the neem tree.

नीम के पेड़ की पत्तियों से धूप छनकर आ रही थी।

  • The company uses an online test to filter out weak candidates.

कंपनी कमज़ोर उम्मीदवारों को छाँटने के लिए ऑनलाइन परीक्षा का उपयोग करती है।

  • She applied a filter to her photograph before posting it.

उसने फोटो पोस्ट करने से पहले उस पर एक फ़िल्टर लगाया।

  • The crowd slowly filtered out of the stadium after the match.

मैच के बाद भीड़ धीरे-धीरे स्टेडियम से बाहर निकल गई।

!Common mistakes 2

✗ She filtered out the tea with a cloth.

✓ She filtered the tea with a cloth.

To clean the liquid itself, filter takes the liquid as object; filter out removes the unwanted part.

तरल को साफ़ करने के लिए 'filter' के बाद तरल ही object बनता है; 'filter out' अवांछित भाग को हटाने के लिए आता है।

✗ The filter of this machine are dirty.

✓ The filter of this machine is dirty.

The verb agrees with the head noun filter, not with machine.

Verb का मेल head noun 'filter' से होता है, 'machine' से नहीं; इसलिए 'is' आएगा।

≠Thesaurus: which synonym when

Filter, strain and sift all separate something, but they work on different materials.

Filter, strain और sift तीनों किसी चीज़ को अलग करते हैं, पर अलग-अलग पदार्थों पर काम करते हैं।

filter

To pass liquid, gas or light through a material that holds back unwanted particles.

तरल, गैस या प्रकाश को ऐसी सामग्री से गुज़ारना जो अवांछित कणों को रोक ले।

  • Filter the water before drinking it.

strain

To separate solid pieces from a liquid, usually with a sieve or cloth.

किसी तरल से ठोस टुकड़ों को छन्नी या कपड़े से अलग करना।

  • Strain the tea into the cups.

sift

To pass dry powder through a sieve to remove lumps.

सूखे पाउडर को छन्नी से छानकर गुठलियाँ हटाना।

  • Sift the flour twice for a softer cake.
→Phrasal verbs 1

filter sth out

to remove something that you do not want from a liquid, light, etc. using a special device; to remove information that you do not want

छानकर अलग करना; (अनचाही जानकारी) छाँटकर हटा देना

  • The machine filters out dust from the air.
  • The software filters out spam emails.
◇Word family
≈Synonyms and antonyms
AaSpelling

fil·ter

?Which word?

Keep apart filter (a device; to pass through) and philtre (a magic drink, old-fashioned).

Filter (उपकरण; छानना) और philtre (जादुई पेय, पुराना) को अलग रखिए।

Keep the separate words together: filter, strain (pour through a sieve), sieve, sift (separate fine from coarse; examine carefully), screen.

अलग करने के शब्द साथ याद रखिए: filter, strain (छलनी से उड़ेलना), sieve, sift (महीन को मोटे से अलग करना; ध्यान से जाँचना), screen।

✓In the exam

General knowledge

Science: filtration separates an insoluble solid from a liquid (like sand from water); sedimentation lets heavy particles settle; decantation pours off the clear liquid.

विज्ञान में filtration (निस्यंदन) अघुलनशील ठोस को तरल से अलग करता है (जैसे पानी से रेत); sedimentation भारी कणों को बैठने देता है; decantation साफ़ तरल को ऊपर से उड़ेल लेता है।