irr

IPA/ˈɜː/
IPA/ˈɜː/

irr — 縮寫

1. a written abbreviation for 'irredeemable', used in financial listings and docume

1.縮寫C1
釋義

不可贖回

到期日不固定的債券

a written abbreviation for 'irredeemable', used in financial listings and documents to describe bonds, stocks, or securities that the issuer does not have to pay back at a fixed future date and that pay interest forever, unless the issuer chooses to buy them back.

例句

The list included several 4.5% irr. bonds issued by the railway company.

這份清單包含幾檔鐵路公司發行的 4.5% 不可贖回債券。

abbreviation used in financial listings after a percentage rate

Aiko checked the terms of the irr. preference shares before adding them to her portfolio.

Aiko 在將不可贖回特別股加入投資組合之前，先查閱了條款。

collocation: irr. preference shares / irr. bonds

同義詞
  • perpetual

    similar in meaning but used more broadly; 'perpetual bond' is a common synonym in finance

  • non-callable

    overlapping but not identical; non-callable means the issuer cannot redeem early, while irr. means the bond has no fixed redemption date at all

反義詞
  • redeemable

    describes a bond or security that must be repaid by a specific date

  • callable

    describes a bond the issuer can choose to redeem before maturity

文法句型

irr. + noun (in financial listings)

用法筆記

Always written with a period (irr.) in financial documents. The full form 'irredeemable' is more common in formal legal contracts; the abbreviation appears mainly in stock listings, bond tables, and fund fact sheets.

常見錯誤

❌I bought an irr. bond that matures in 2030.
✅I bought an irr. bond with no fixed maturity date.
💡Irr. bonds do not have a maturity date; that is their defining feature.

2. a written abbreviation for 'irregular', used in schedules, timetables, and recor

2.縮寫C1
釋義

不規則

無固定時間或模式的

a written abbreviation for 'irregular', used in schedules, timetables, and records to indicate that something does not happen at fixed, predictable times or does not follow the usual pattern.

例句

The ferry runs an irr. service during the winter months, depending on the weather.

這艘渡輪在冬季航次不固定，須視天氣情況而定。

irr. describing a service schedule

The patient's irr. pulse was noted on the hospital chart by the night-shift nurse.

夜班護士在病歷上記錄了病人不規則的脈搏。

同義詞
  • irregular

    the full form of this abbreviation; use in formal prose

  • variable

    emphasises changeability rather than lack of a fixed pattern

  • uneven

    more common for physical distribution (uneven spacing) than for timing

反義詞
  • regular

    happening at fixed, predictable times or following a consistent pattern

  • steady

    describes something that does not change in frequency or intensity

文法句型

irr. + noun (describing frequency or pattern)

用法筆記

Written with a period (irr.) in notes and records. In running text, the full word 'irregular' is preferred. This abbreviation appears most often on forms, charts, timetables, and medical records where space is limited.

常見錯誤

❌The magazine comes out at irr. intervals, meaning every month.
✅The magazine comes out at irr. intervals, sometimes every month and sometimes every three months.
💡Irregular means not uniform; if it is the same every month it is regular, not irregular.