比重
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Base noun form. Refers to the ratio of the density of a substance to the density of a reference substance (usually water). Example: 『水の比重は1です』 (mizu no hijuu wa ichi desu, 'the specific gravity of water is 1').
Theme
In a science class, User asks Dr. Tanaka, the teacher, about a concept from the textbook.
比重
ひじゅう
specific gravity
Advanced ExpansionAbstract Concepts
Memory Hook
Think of 'specific gravity' as the 'weight ratio' of something — '比重' (hijuu) sounds like 'heavier' in English, hinting at weight comparison! 'Heavier' → 比重 (hijuu, 'specific gravity').
Cultural Note
『比重』 (hijuu, 'specific gravity') is a scientific term used in fields like physics, chemistry, and engineering in Japan. It's often taught in school curricula and appears in technical discussions or product specifications, such as for materials or liquids.
Forms
Base: 比重Base noun form. Refers to the ratio of the density of a substance to the density of a reference substance (usually water). Example: 『水の比重は1です』 (mizu no hijuu wa ichi desu, 'the specific gravity of water is 1').