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流動体 (りゅうどうたい) Japanese meaning | Kotomora

流りゅう動どう体たい

りゅ

う

ど

う

た

い

Meanings

1

A general term for substances that flow, including liquids and gases. Often used in scientific or technical contexts.

水みずは流りゅう動どう体たいの一いっ種しゅです

。

Water is a type of fluid.

流りゅう動どう体たいの性せい質しつを調しらべる実じっ験けんを行おこなった。

We conducted an experiment to investigate the properties of fluids.

Kanji

流current, a sink, flow
動move, motion, change
体body, substance, object

Related words

液えき体たい
液体 specifically means 'liquid' (as opposed to gas or solid), while 流動体 is a broader term that can include both liquids and gases.
流りゅう体たい
流体 is a more common and general term for 'fluid' in physics and engineering. 流動体 is less frequent and may sound slightly more formal or technical.

Word family

半はん流りゅう動どう体たい
semiliquid; semi-fluid

Built from

流りゅう+動どう体たい

Etymology

Compound of 流動 (flow, movement) and 体 (body, substance). The exact historical derivation is uncertain, but the word follows a common pattern for technical terms in modern Japanese.