A substance that does not conduct electricity, such as dry air, glass, or bakelite; an insulator.

Medium Access Control; the sublayer of the data link layer in networking responsible for hardware addressing and channel access; often abbreviated in English as MAC

The Media Access Control layer of a network; a sublayer of the data link layer responsible for controlling how devices on a network gain access to a medium and permission to transmit data.

Media that combines different content forms such as text, images, audio, animation, and video; also known as [[多媒体|多媒體|duo1 mei2 ti3]] or [[混合媒体|混合媒體|hun4 he2 mei2 ti3]]

The branch of mechanics that deals with the analysis of the kinematics and the mechanical behavior of materials modeled as a continuous mass rather than as discrete particles.