I. adjective denoting or relating to a high-fidelity audio system that reproduces the directional and acoustic properties of recorded sound using two or more channels. • an ambisonic process.
II. noun ( ambisonics) [treated as sing.] — ambisonic reproduction or systems. • ambisonics can be used with multi-mikes.
– origin 1970s: from Latin ambi- ‘on both sides’ + sonic.