free-floating

not-comparable

(biology) That floats in water without attachment to anything and with no means of propulsion

Japanese Meaning

（生物学）何にも付着せず、推進の手段なく水中で自由に浮遊する状態

Scientists collected samples of the free-floating algae to analyze their genetic diversity.

科学者たちは、何にも付着せず自力で移動する手段もなく水中に浮遊している藻類の標本を採取し、その遺伝的多様性を分析した。

Sense（1）

(biology) That floats in water without attachment to anything and with no means of propulsion