CD vs CD-R
CD-R vs CDCD and CD-R both are nouns.
| Word | Noun | Adjective | Verb | Adverb |
|---|---|---|---|---|
| CD | Yes | No | No | No |
| CD-R | Yes | No | No | No |
As nouns,
CD-R is a hyponym of
CD; that is, CD-R is a
word with a more specific, narrower meaning than
CD:
- CD: a digitally encoded recording on an optical disk that is smaller than a phonograph record; played back by a laser
- CD-R: a compact disc on which you can write only once and thereafter is read-only memory
Other hyponyms of CD include
audio CD, audio compact disc, CD-WO, compact disc recordable, compact disc write-once, CD-ROM, compact disc read-only memory.
| CD (noun) | CD-R (noun) |
|---|---|
| a digitally encoded recording on an optical disk that is smaller than a phonograph record; played back by a laser | a compact disc on which you can write only once and thereafter is read-only memory |
| a debt instrument issued by a bank; usually pays interest |
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