伝染病

• 読み: でんせんびょう
• ローマ字: densenbyou
• 漢字の分解: 伝 (den) — transmit, convey; 染 (sen) — dye, infect, stain; 病 (byou) — illness, disease
• 発音: /deɴ.seɴ.bʲoː/

意味

Contagious disease; infectious disease; epidemic. A disease that spreads from person to person.

A noun for diseases that are transmitted between people or organisms. While the formal medical term is now 感染症 (kansenshou, infectious disease), 伝染病 remains widely understood and used in everyday conversation. Covers diseases spread through air, contact, water, or vectors. Common in discussions about public health, epidemics, and hygiene.

例文

1. 昔は伝染病で多くの人が亡くなった。
2. 伝染病の拡大を防ぐために、手洗いが重要だ。
3. 海外旅行の前に伝染病の予防接種を受けた。

使い方ガイド

場面: public health, history, news

トーン: serious

起源と歴史

From Sino-Japanese: 伝染 (densen: 伝 'transmit' + 染 'dye/infect') + 病 (byou, illness). The character 染 literally means 'to dye' — disease 'colours' or spreads through a population like dye through fabric.

文化的背景

時代: Modern

世代: All ages

社会的背景: Universal