水素
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Noun for the chemical element hydrogen. Used in scientific and everyday contexts, e.g., 『水素は一番軽い元素です』 (suiso wa ichiban karui genso desu, 'Hydrogen is the lightest element').
Theme

In a science class, User and their classmate Kenji are discussing elements for a project.

水素

すいそ

hydrogen

Nature & EnvironmentNatural Phenomena

Memory Hook

Imagine a water molecule: hydrogen is the 'H' in H₂O. '水素' (suiso) sounds like 'sue-so' — think of 'sue' for water (水 sui) and 'so' for element (素 so). 'Water element' → hydrogen!

Cultural Note

In Japan, hydrogen is often discussed in contexts like clean energy and science education. You might hear 『水素エネルギー』 (suiso enerugii, 'hydrogen energy') in news about fuel cells or environmental technology.

Forms

Base: 水素Noun for the chemical element hydrogen. Used in scientific and everyday contexts, e.g., 『水素は一番軽い元素です』 (suiso wa ichiban karui genso desu, 'Hydrogen is the lightest element').