| aneroid barometer |
a barometer that uses a thin metal disk covering a partial vacuum, such that a change in atmospheric pressure results in a corresponding change in the shape of the disk and moves the indicator needle. |
| CD1 |
abbreviation of "compact disk," a palm-sized disk on which music, data, or the like has been digitally encoded, that is read by laser and transmitted to a playback device; optical disk. |
| circular saw |
a power saw featuring a disk-shaped blade that is rotated at high speed. [1/2 definitions] |
| clay pigeon |
a clay disk used as a target in trapshooting. |
| coaster |
a disk or small dish for placing under a glass to keep moisture off a table. [1/4 definitions] |
| compact disk |
a palm-sized disk on which music, data, or the like has been digitally encoded, that is read by laser and transmitted to a playback device. |
| crank |
a mechanical device for applying rotary motion, consisting of a lever arm or disk attached at right angles to the end of a rotating shaft and turned by hand or connecting rod. [1/6 definitions] |
| crown glass |
an old form of circular window glass made by blowing a globe and whirling it into a flat disk. [1/2 definitions] |
| dial |
a disk or plate, usu. with numbers and a pointer indicating gradations of a measure such as speed, pressure, or the like. [3/8 definitions] |
| diaphragm |
a thin disk that vibrates in the transmitting of sound in an electronic instrument such as a telephone. [2/5 definitions] |
| disc1 |
variant of disk. [1/2 definitions] |
| disc harrow |
see "disk harrow." |
| discoid |
of the shape of a disk. [3 definitions] |
| discus |
a disk of standardized weight, usu. of wood with a metal rim, thrown for distance in track and field competitions. [2 definitions] |
| diskette |
see "floppy disk." |
| disk wheel |
a wheel with a solid disk instead of spokes between hub and rim, used esp. on automobiles. |
| erythrocyte |
one of the disk-shaped red blood cells that carry hemoglobin and give blood its color. |
| floppy |
in computers, a flexible plastic disk having a magnetic surface used to store data; floppy disk. [1/2 definitions] |
| floppy disk |
a thin flexible plastic disk with a magnetic coating, on which computer information can be stored; diskette; floppy. |
| flying saucer |
any of various bright disk-shaped objects occasionally seen hovering or flying at high altitudes, often presumed to be spacecraft from another world; UFO. |
| goby |
any of numerous marine and freshwater fishes with united pelvic fins that form a sucking disk. |