二次元(にじげん)コード

にじげんこーど
noun
QR code; two-dimensional barcode
technology
1. QR code; two-dimensional barcode
A machine-readable code consisting of a pattern of black and white squares that can store more information than a traditional one-dimensional barcode. Commonly used for payments, ticketing, and quick access to websites.
二次元(にじげん)コードを読(よ)み取(と)る。
To scan a QR code.
スマホで二次元(にじげん)コードを読(よ)み込(こ)んでください。
Please scan the QR code with your smartphone.
支払(しはら)いは二次元(にじげん)コード決済(けっさい)が便利(べんり)です。
QR-code payment is convenient for payments.
このチラシの二次元(にじげん)コードから詳(くわ)しい情報(じょうほう)にアクセスできます。
You can access detailed information from the QR code on this flyer.

A formal/official term for what is commonly called a QR code. Composed of 二次元(にじげん) (two-dimensional) + コード (code). The term 二次元(にじげん)コード is often preferred in formal writing, government documents, and printed materials because "QR code" is a registered trademark of Denso Wave, though QRコード is also widely used in everyday speech.

Common collocations

Similar words

  • QRコード: QR code — the common everyday term; same thing
  • バーコード: barcode — one-dimensional linear barcode (stripes only)
  • 一次元(いちじげん)コード: one-dimensional code — the formal counterpart term for traditional barcodes

Usage

QR codes are extremely widespread in Japan, used for cashless payment systems (PayPay, LINE Pay, etc.), restaurant menus, event tickets, transit, and advertisements.

Related Words

Compare: バーコード (barcode)
general
Added 2026.4.12 2:04 · Revised 2026.9.4 21:29
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