光碟

• Pinyin: guāng dié
• Hanzi breakdown: 光 = 火 + 人 (light radiating from a person — light); 碟 = 石 + 枼 (flat stone-like plate)

Meaning

Optical disc; CD/DVD. A flat, circular disc that stores data, music, films, or software using laser technology.

The standard term for optical discs in Taiwan and Hong Kong Chinese. Mainland China more commonly uses 光盘 (simplified). Both terms cover CDs, DVDs, and Blu-ray discs. 光碟 also appears in the idiom 光碟机 (optical disc drive). As physical media has declined, the term now often appears in nostalgic or archival contexts.

Examples

1. 他在旧书箱底部发现了一叠落满灰尘的音乐光碟。 At the bottom of an old book crate, he found a stack of music CDs covered in dust.
2. 这套百科全书当年以光碟形式发行，现在已很难找到播放设备了。 That encyclopedia set was released on discs back then, and now it’s hard to even find a device that can play them.
3. 博物馆将馆藏文献数字化后，同时以光碟和云端两种形式加以保存。 After digitizing its collection documents, the museum preserved them in both disc format and in the cloud.

Usage Guide

Context: technology, media, archiving

Tone: neutral

Do Say

• 图书馆的资料室里仍保存着大量上世纪九十年代出版的学术光碟。(The library's reference room still holds a large number of academic optical discs published in the 1990s.)
• 将重要文件同时备份至硬盘和光碟，可降低单点故障的风险。(Backing up important documents to both a hard drive and an optical disc reduces the risk of single-point failure.)

Don't Say

• 把文件存到光碟上去 — in mainland China contexts, 光盘 is far more common; 光碟 is predominantly used in Taiwan/Hong Kong; if writing for a mainland audience, use 光盘 to avoid sounding regional or dated

Origin & History

光 (light) + 碟 (a flat dish — 石 stone/material + 葉/蝶 phonetic component suggesting flatness). A disc that reads/writes using light.

Cultural Context

Era: Late 20th – early 21st century

Generation: Gen X and Millennials

Social background: Universal