What kind of disc is a type of storage media that consists of a flat, round, portable disc made of metal, plastic, and lacquer that is written to and read by a laser?

Optical disk.

Explanation:

The optical disk is defined as a storage media containing a flat, compact, and round disk and manufactured with aluminum, acrylic, and lacquer. A laser is used to write and read the optical disks. Audio, film, applications and images were developed specifically to store optical disks.They are generally of two type read only and write/read. Read only format do not allow to write any information to the disk while the other does allow to read information to the disk.  

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