disk disk

noun

() something with a round shape resembling a flat circular plate  ( saucer, disc, disk )
something with a round shape resembling a flat circular plate
 the moon's disk hung in a cloudless sky
the moon's disk hung in a cloudless sky

() a flat circular plate  ( disc, disk )
a flat circular plate

(computer science) a memory device consisting of a flat disk covered with a magnetic coating on which information is stored  ( disc, disk, magnetic disc, magnetic disk )
(computer science) a memory device consisting of a flat disk covered with a magnetic coating on which information is stored
  I need to buy a new disk to store my photos and documents
I need to buy a new disk to store my photos and documents

sound recording consisting of a disk with a continuous groove; used to reproduce music by rotating while a phonograph needle tracks in the groove  ( disk, phonograph recording, platter, phonograph record, disc, record )
sound recording consisting of a disk with a continuous groove; used to reproduce music by rotating while a phonograph needle tracks in the groove
  I inherited my grandfather's record collection and enjoy listening to them on occasion
I inherited my grandfather's record collection and enjoy listening to them on occasion

verb

() draw a harrow over (land)  ( disk, harrow )
draw a harrow over (land)

 Berberis canadensis Berberis canadensis

noun

deciduous shrub of eastern North America whose leaves turn scarlet in autumn and having racemes of yellow flowers followed by ellipsoid glossy red berries  ( American barberry, Berberis canadensis )
deciduous shrub of eastern North America whose leaves turn scarlet in autumn and having racemes of yellow flowers followed by ellipsoid glossy red berries

 Huygens Huygens

noun

Dutch physicist who first formulated the wave theory of light (1629-1695)  ( Christiaan Huygens, Christian Huygens, Huygens )
Dutch physicist who first formulated the wave theory of light (1629-1695)

 emphysema emphysema

noun

() an abnormal condition of the lungs marked by decreased respiratory function; associated with smoking or chronic bronchitis or old age  ( pulmonary emphysema, emphysema )
an abnormal condition of the lungs marked by decreased respiratory function; associated with smoking or chronic bronchitis or old age