Word
CDR
Phoneticscdr
Countable noun
Definition
n. Stands for Compact Disc Recordable. A type of disc that you can use to save music, photos, or documents from a computer one time.
n. Abbreviation for Compact Disc Recordable. A digital optical disc storage format that allows data to be written once and read multiple times using a laser.
Examples
“I saved my old photos onto a CDR.”
“Before cloud storage became popular, many people used a CDR to back up their important computer files.”
“The transition from magnetic tape to CDR technology allowed for faster data access and more durable long-term storage of digital archives during the late nineties.”
Examples
simple
“I saved my old photos onto a CDR.”
contextual
“Before cloud storage became popular, many people used a CDR to back up their important computer files.”
complex
“The transition from magnetic tape to CDR technology allowed for faster data access and more durable long-term storage of digital archives during the late nineties.”
Usage
Often written with a hyphen as CD-R; functions as a countable noun when referring to the physical disc.
Real-World Examples
“The report emphasizes that net-zero is a milestone toward net-negative, with CDR needed in addition to, not instead of, sustained reductions in greenhouse gas emissions.” - Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
- Frequency
- Occasional
- Level
- C1 · Advanced
- Updated
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QR code
englishreference.com/q/cdr