博

音読おんよみ: ハク

訓読くんよみ: none *

画数かくすう: 12 strokes

部首ぶしゅ: 十(じゅう)

Meaning

Doctor / Exhibition / Erudition / Extensive

  • 博士はかせ — doctorate holder
  • 博物館はくぶつかん — museum
  • 博覧会はくらんかい — exposition; fair
  • 博学はくがく — erudition
  • 博愛はくあい — philanthropy
  • 博士はくし — doctoral degree holder (reading alt.)

博 is a phono-semantic compound: the structure includes the radical 十 and the phonetic 尃 (ハク). The core sense is “broad / extensive,” leading to meanings like wide learning, public exhibitions, and advanced degrees.

かれ歴史れきし博士はかせです。
He holds a doctorate in history.

博物館はくぶつかん恐竜きょうりゅう化石かせきました。
I saw dinosaur fossils at the museum.

士
Creates
博士はかせ — doctorate holder
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