The crossword solutions for the term 'Lush Sound' are HIC. HIC is an acronym for 'Highly Integrated Circuit, ' which is a type of integrated circuit that contains multiple components and functions on a single chip. This type of circuit is used in many electronic devices, such as computers, phones, and other consumer electronics. The term 'Lush Sound' is often used to describe the sound quality of audio equipment that uses HICs.