Longman Dictionary of Contemporary English homepage

high-tech

 adjective
     
high-tech [usually before noun]
1 using high technology:
high-tech industries
a £1 million high-tech security system
high-tech weapons
 ➔ low-tech
2AVD high-tech furniture, designs etc are made in a very modern style
—high tech noun [uncountable]
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

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