Japanese symbol for “fl”

関数ライブラリ

かんすうライブラリ

Romaji: kansuuraiburari

function library; FL

In Japanese, fl is 関数ライブラリ, read かんすうライブラリ (kansuuraiburari).

Before using these characters for a tattoo, check them with a native speaker. Dictionary words often have several meanings, and the right choice depends on context.

Meanings

n function library; FL (comp)

Kanji and stroke order

関

connection, barrier, gateway

on: カン
kun: せき、-ぜき、かか.わる、からくり

14 strokes · JLPT 2

数

number, strength, fate

on: スウ、ス、サク、ソク
kun: かず、かぞ.える、しばしば、せ.める

13 strokes · JLPT 2

Related words

Words that share a kanji.

Word	Reading	Meaning
関係	かんけい kankei	relation; relationship; connection
関連	かんれん kanren	relation; connection; relevance
機関	きかん kikan	engine
関心	かんしん kanshin	concern; interest
玄関	げんかん genkan	entrance; front door; entryway
関西	かんさい kansai	Kansai (region comprising Kyoto, Osaka, Kobe and surrounding prefectures)
多数	たすう tasuu	large number (of); many
複数	ふくすう fukusuu	plural; multiple

Data: JMdict (CC BY-SA 4.0); KANJIDIC2 (CC BY-SA 4.0); KanjiVG (CC BY-SA 3.0); wordfreq (CC BY-SA 4.0 (data)). Retrieved 2026-10-22.