博士

• 読み: はかせ
• ローマ字: hakase
• 漢字の分解: 博 (haku/haka) — wide, extensive; 士 (shi/se) — scholar, person of learning
• 発音: /ha.ka.se/

意味

Expert; learned person; doctor (PhD holder). Someone with extensive knowledge in a particular field.

A noun with two common readings: はかせ (colloquial, meaning expert or knowledgeable person) and はくし (formal, specifically a doctoral degree). In everyday conversation, はかせ is often used affectionately for someone very knowledgeable about a topic.

例文

1. 田中先生は工学の博士号を持っている。
2. あの子は虫の博士と呼ばれている。
3. 博士課程を修了するまで五年かかった。

使い方ガイド

場面: education, research, honorifics

トーン: respectful

起源と歴史

Composed of 博 (wide, extensive) and 士 (scholar, person of learning). Originally referred to a widely learned person, later adopted as an academic degree title.

文化的背景

時代: Ancient

世代: All ages

社会的背景: Universal