部ぶ分ぶん日にっ食しょく

• 皆かい既き日にっ食しょく

  皆既日食 is a total solar eclipse, where the sun is completely covered, while 部分日食 is only partial.

• 金きん環かん日にっ食しょく

  金環日食 is an annular solar eclipse, where a ring of sunlight remains visible; 部分日食 covers only a portion.

• 月げっ食しょく

  月食 is a lunar eclipse; 部分日食 is specifically a solar eclipse.

• 部ぶ分ぶん日にっ食しょく

  Standard modern spelling using 食 for eclipse.

• 部ぶ分ぶん日にっ蝕しょく

  Traditional spelling using 蝕; still seen in older or formal texts but less common today.

Compound of 部分 (partial) and 日食 (solar eclipse). The term is straightforward and modern.