開かい発はつ

also: かいほつ

か

い

は

つ

Common wordJLPTN2Freq.FrequencyTop 1,000

Meanings

noun, noun or participle which takes 'suru', transitive verb

Broadly used for developing new products, technology, land, or human resources; also for applying or putting something to practical use.

かれ

は

人じん

材ざい

開かい

発はつ

の

専せん

門もん

家か

だ

。

He is a specialist in human resource development.

noun, noun or participle which takes 'suru', transitive verb

Used for tapping or exploiting natural resources, such as mining, drilling, or land development.

海かい底てい油ゆ田でんの開かい発はつが進すすめられている。
Exploitation of offshore oil fields is being promoted.

開発Usage100%
- かいはつ
  Standard kanji spelling; high-frequency word.
- かいほつ
  out-dated reading
かいほつ
out-dated reading
Obsolete kana usage; not used in modern Japanese.

発はっ展てん
発展 focuses on growth, expansion, or progress of something already existing, while 開発 emphasizes creating or bringing something new into practical use.
開かい拓たく
開拓 is often used for pioneering or cultivating land, or opening up new fields, whereas 開発 is broader and includes technological and resource development.

Compound of 開 (open, start) and 発 (depart, emit). The combination conveys the idea of opening up and bringing forth something new.