導入部|どうにゅうぶdounyuubu

1. noun, musicintroduction
2. nounintroductory part; lead

• Synonym導入どうにゅうNeutralBroader word: bringing in equipment or systems, but also the opening of a lecture or story; 「導入部」 refers to that opening section itself.
• Synonym書き出しかきだしNeutralThe opening lines of a piece of writing — its first sentence or paragraph. A writer's term, as in 「書き出しが難しい」.
• Synonym序文じょぶんWrittenWritten and formal: a preface stating a book's aims, standing as a separate piece before the text; more formal than 「導入部」.
• Synonym前置きまえおきCasualColloquial: what one says before getting down to business, as in 「前置きが長い」. A spoken-word term.
• SynonymイントロCasualColloquial loanword: the intro of a song or the lead-in to a topic.
• Synonym前文ぜんぶんWrittenWritten and formal: the preamble of a law or constitution, or the opening greetings of a letter.
• Synonym序章じょしょうWrittenWritten and formal: a chapter set before the main text of a novel or paper.
• Synonym序説じょせつWrittenWritten and formal: an exposition serving as a preface.
• Synonym前書きまえがきNeutralSupplementary text added before the main body — the everyday word for a preface.
• SynonymイントロダクションNeutralLoanword for an opening lead-in or introduction; more formal than 「イントロ」.
• Synonym前置ぜんちWrittenWritten and rare: the act of placing something in front. Not the spoken preamble that 「前置き」 covers.
• Synonym序じょWrittenWritten register; its 'order; preface' senses are rare today — the word now usually means 'opportunity, occasion'.
• Synonym序論じょろんWrittenWritten and formal: the opening of a paper that outlines the points to be made.
• Synonym前奏ぜんそうNeutralThe instrumental part played at the head of a piece of music — a prelude.
• Synonym緒論しょろんWrittenWritten and rare: the opening exposition of a book.
• Synonym緒言しょげんWrittenWritten and rare: a foreword or preface.
• Synonym端書きはしがきWrittenWritten and formal: a preface; can also refer to a postscript.
• Synonym序言じょげんWrittenWritten and rare: words given by way of preface.
• Synonym序詞じょしWrittenWritten and formal: a preface, or in waka a decorative phrase that leads into a particular word without adding to the poem's main sense.
• Related冒頭ぼうとうNeutralThe very beginning of a piece of writing or a speech, as in 「冒頭で述べた」.
• Antonym結尾部NeutralThe final section of a piece of music or writing — the opposite of the opening 「導入部」.
• Antonym終結部NeutralThe closing part of a musical work — the counterpart of the lead-in 「導入部」.

Use 「導入部」 for the opening stretch of a piece of music, writing or film that leads into the main subject, as in 「物語の導入部」. For the start of a text say 「書き出し」 or 「冒頭」; for a book's preface, 「前書き」 or 「序文」; for a song's intro, 「イントロ」. The many 序- compounds and 前文 are formal written terms for prefaces and opening chapters; 前置き is spoken; 結尾部 and 終結部 are the opposite closing sections.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 序奏じょそう。イントロ。
2. 文章ぶんしょうなどで本題ほんだいへ導みちびく部分ぶぶん。