Question 1

What does "filter out" mean?

Accepted Answer

To remove unwanted substances, signals, or impurities by passing through a filter.

Question 2

How do you use "filter out" in a sentence?

Accepted Answer

This sunscreen filters out harmful UV rays.

Question 3

Is "filter out" formal or informal?

Accepted Answer

"filter out" is register-neutral — appropriate in both casual and formal contexts. Used both literally (filtering out impurities in water or particles in air) and figuratively (filtering out irrelevant information in a search, or unsuitable candidates in a hiring process). Very common in technology, science, and business contexts.

filter out

관련 구문

"out" 포함 구문