半はん透とう膜まく

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Meanings

1

semipermeable membrane

Technical term in biology and chemistry for a membrane that allows certain molecules to pass through while blocking others.

種しゅ

で

ある

。

The cell membrane is a type of semipermeable membrane.

半はん透とう膜まくを通とおして水すい分ぶん子しだけが移い動どうする現げん象しょうを浸しん透とうという。

The phenomenon in which only water molecules move through a semipermeable membrane is called osmosis.