フィルター

• Reading: ふぃるたー
• Romaji: firutaa
• Pronunciation: /ɸi.ɾɯ.taː/

Meaning

Filter; a device or mechanism that selectively blocks or passes certain elements.

A katakana noun from English 'filter.' Used across many domains: physical filters (coffee filters, air filters), digital filters (photo editing, search filters), and figurative usage (viewing things through a filter/bias). Common collocations include フィルターをかける (to apply a filter) and フィルターを通す (to pass through a filter).

Examples

1. エアコンのフィルターを定期的に掃除したほうがいい。 You should clean the air conditioner filter regularly.
2. 写真にフィルターをかけると雰囲気が変わる。 Applying a filter to a photo changes the whole mood.
3. 情報をフィルターにかけて必要なものだけ選び出す。 Run the information through a filter and pick out only what you need.

Usage Guide

Context: technology, photography, appliances, daily life

Tone: neutral

Origin & History

From English 'filter,' itself from Medieval Latin 'filtrum' (felt used for straining). Entered Japanese as a technical term and expanded into everyday and digital usage.

Cultural Context

Era: Modern

Generation: All ages

Social background: Universal