炭素

• Reading: たんそ
• Romaji: tanso
• Kanji breakdown: 炭 (tan) — charcoal, coal, carbon; 素 (so) — element, base, fundamental
• Pronunciation: /taɴ.so/

Meaning

Carbon (C). A chemical element essential to all known life and the basis of organic chemistry.

A noun for the element carbon, appearing frequently in both scientific and environmental contexts. Central to modern climate discussions through terms like 炭素排出 (tanso haishutsu, carbon emissions), 二酸化炭素 (nisankatanso, carbon dioxide/CO₂), and カーボンニュートラル (kaabon nyuutoraru, carbon neutral). Also used in materials science: 炭素繊維 (tanso seni, carbon fibre).

Examples

1. 二酸化炭素の排出量を減らす取り組みが世界中で進んでいる。 Efforts to reduce carbon dioxide emissions are underway around the world.
2. 炭素は有機化合物の基本となる元素だ。 Carbon is the fundamental element of organic compounds.
3. 炭素繊維は軽くて強い素材として注目されている。 Carbon fiber is attracting attention as a lightweight yet strong material.

Usage Guide

Context: chemistry, environment, materials science

Tone: neutral

Origin & History

From Sino-Japanese: 炭 (tan, charcoal/coal) + 素 (so, element/base). Literally 'charcoal element' — named after charcoal, the most familiar pure form of carbon.

Cultural Context

Era: Modern

Generation: All ages

Social background: Universal