two parts; two copies
Used as a quantity expression: something is divided into two parts, or two copies of a document are needed. For copies, 部 functions like a counter.
資料を二部印刷してください。
Please print two copies of the materials.
この報告書は二部
part two; the second part
Refers to the second part of a work, program, or document. 第二部 or 第2部 is often clearer, but 二部 can appear in headings or short references.
目次には「二部 実践編」とある。
The table of contents says, "Part Two: Practical Section."
I prepared two copies of the meeting materials.
This report is divided into two parts.
After the intermission, the second part of the concert began.
The program was broadcast divided into two parts.
第二部 spells out the ordinal meaning explicitly, while 二部 alone can be ambiguous between 'part two' and 'two copies'.
二部 (にぶ) refers to two physical parts or copies, while 二分 (にぶん) is the act of splitting something into two, and the similar pronunciation and 'two parts' sense make them easy to mix up.
two-part work; dilogy
second part; second division; part two
two-part chorus; vocal duet
instrumental duet; two-part ensemble
double sessions; two-part school day
two-session system
Standard kanji spelling; used both for quantity such as two copies and for a part or section.
Numeral spelling using ２; practical in counts, headings, forms, and business writing.
A Sino-Japanese compound of 二, 'two,' and 部, 'part, section, copy.' The spelling directly reflects the modern meanings.