What does 一部分 mean?
一部分 is a Japanese noun meaning “a part, a portion” in English. It is written as 一部分 in kanji, いちぶぶん in hiragana, and ichibubun in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
その建物の一部分だけが地震で破壊された。
Only part of the building has been destroyed by the earthquake.