a framed golden disc awarded to a recording artist or group for sales of a recording exceeding a specified high figure
a circular label displayed on the windscreen of a motor vehicle, certifying payment of road tax
a type of vehicle brake employing the friction of pads against a disc which is attached to the wheel
a camera in which the images are formed on a disc, rather than on film
(in a composite flower head of the daisy family) any of a number of small tubular and usually fertile florets that form the disc. In rayless plants such as the tansy the flower head is composed entirely of disc florets
a harrow with cutting edges consisting of a row of concave discs set at an oblique angle
a person who introduces and plays recorded popular music, especially on radio or at a club
the raised disc on the retina at the point of entry of the optic nerve, lacking visual receptors and so creating a blind spot
an opaque disc, typically white, used to gauge the transparency of water by measuring the depth—known as the Secchi depth—at which the disc ceases to be visible from the surface
a framed silver-coloured disc awarded to a recording artist or group for sales of a recording exceeding a specified figure (lower than those required for a gold disc)
a small plastic disc on which music or other digital information is stored in the form of a pattern of metal-coated pits from which it can be read using laser light reflected off the disc
a thickening of the epidermis of an insect larva which, on pupation, develops into a particular organ of the adult insect
a framed platinum disc awarded to a recording artist or group for sales of a record exceeding a specified high figure
a cartilaginous disc between vertebrae in the spine that is displaced or partly protruding, pressing on nearby nerves and causing back pain or sciatica
an animal’s sucker, especially one on the end of each tube foot of an echinoderm
(in a rotifer) a ring of cilia that is used in feeding and (in most kinds) swimming
a rotating disc of matter formed by accretion around a massive body (such as a black hole) under the influence of gravitation
another term for slipped disc.
a rigid non-removable magnetic disk with a large data storage capacity
a disc having a format similar to a small CD but able to record sound or data as well as play it back
a device which allows a computer to read from and write on to computer disks
a device which allows a computer to read from and write on to computer disks
a flexible removable magnetic disk (typically encased in a hard plastic shell) for storing data
a layer of cartilage separating adjacent vertebrae in the spine
another term for slipped disc.