A digitally encoded recording on an optical disk that is smaller than a phonograph record; played back by a laser.
synonyms: CD, compact disc.
Roget 551:
trace,
vestige,
relic,
remains;
scar,
cicatrix;
footstep,
footmark†,
footprint;
pug;
track mark,
wake,
trail,
scent,
piste†.
monument,
hatchment†,
slab,
tablet,
trophy,
achievement;
obelisk,
pillar,
column,
monolith;
memorial;
memento
etc.
(memory)
505;
testimonial,
medal;
commemoration
etc.
(celebration)
883.
record,
note,
minute;
register,
registry;
roll
etc.
(list)
86;
cartulary,
diptych,
Domesday book;
catalogue raisonne [Fr.];
entry,
memorandum,
indorsement†,
inscription,
copy,
duplicate,
docket;
notch
etc.
(mark)
550;
muniment†,
deed
etc.
(security)
771;
document;
deposition,
proces verbal [Fr.];
affidavit;
certificate
etc.
(evidence)
467.
notebook,
memorandum book,
memo book,
pocketbook,
commonplace book;
portfolio;
pigeonholes,
excerpta†,
adversaria [Lat.],
jottings,
dottings†.
gazette,
gazetteer;
newspaper,
daily,
magazine;
almanac,
almanack†;
calendar,
ephemeris,
diary,
log,
journal,
daybook,
ledger;
cashbook†,
petty cashbook†;
professional journal,
scientific literature,
the literature,
primary literature,
secondary literature,
article,
review article.
archive,
scroll,
state paper,
return,
blue book;
statistics
etc.
86;
compte rendu [Fr.];
Acts of,
Transactions of,
Proceedings of;
Hansard's Debates;
chronicle,
annals,
legend;
history,
biography
etc.
594;
Congressional Records.
registration;
registry;
enrollment,
inrollment†;
tabulation;
entry,
booking;
signature
etc.
(identification)
550;
recorder
etc.
553;
journalism.
[analog recording media]
recording,
tape recording,
videotape.
[digital recording media]
compact disk;
floppy disk,
diskette;
hard disk,
Winchester disk;
read-only memory,
ROM;
write once read mostly memory,
WORM.
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Dutch: cd
Polish: CD-ROM, CD, kompakt, płyta kompaktowa, cd-rom, compact, płytka