Pronunciation: /ˈfɪltər/

Definitions of filter

noun a device or piece of equipment used to remove impurities or unwanted elements from something

Example Sentences

A1 I use a water filter to purify my drinking water.

A2 The Instagram filter made the photo look more vibrant.

B1 I set up a spam filter on my email to avoid junk messages.

B2 The air filter in my car needs to be replaced regularly.

C1 The software has a built-in filter function to sort data.

C2 She applied a filter to the search results to narrow down the options.

verb to pass (a liquid, gas, light, or sound) through a device to remove unwanted elements

Example Sentences

A1 I filter my water before drinking it.

A2 She filters out any spam emails from her inbox.

B1 The software allows users to filter search results by date.

B2 The company uses a complex algorithm to filter out irrelevant data.

C1 The scientist filtered the mixture to separate the solid particles.

C2 The artist used a special lens to filter the light in his photography.

Examples of filter in a Sentence

formal The laboratory uses a special filter to separate impurities from the liquid solution.

informal I always make sure to use a filter when brewing my coffee to get rid of any grounds.

slang I need to put on a filter before I post anything on social media.

figurative It's important to filter out negative thoughts and focus on the positive aspects of life.

Grammatical Forms of filter

past tense

filtered

plural

filters

comparative

more filtered

superlative

most filtered

present tense

filter

future tense

will filter

perfect tense

have filtered

continuous tense

filtering

singular

filter

positive degree

filter

infinitive

to filter

gerund

filtering

participle

filtered

Origin and Evolution of filter

First Known Use: 1400 year
Language of Origin: Old French and Medieval Latin
Story behind the word: The word 'filter' originated from the Old French word 'filtre' which came from the Medieval Latin word 'filtrum' meaning felt or filter.
Evolution of the word: Originally used to refer to a material used for straining liquids, the word 'filter' has evolved to also mean a device or mechanism for removing impurities or unwanted elements from something.