| blastodisc | (noun) a layer of cells on the inside of the blastula | Synonyms: blastoderm, germinal area, germinal disc |
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| disc | (noun) a flat circular plate | Synonyms: disk |
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| (noun) sound recording consisting of a disk with a continuous groove; used to reproduce music by rotating while a phonograph needle tracks in the groove | Synonyms: disk, phonograph record, phonograph recording, platter, record |
| (noun) (computer science) a memory device consisting of a flat disk covered with a magnetic coating on which information is stored | Synonyms: disk, magnetic disc, magnetic disk |
| (noun) something with a round shape resembling a flat circular plate | Synonyms: disk, saucer |
| videodisc | (noun) a digital recording (as of a movie) on an optical disk that can be played on a computer or a television set | Synonyms: DVD, videodisk |
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