- the area in northern California, southwest of San Francisco in the Santa Clara valley region, where many of the high-technology design and manufacturing companies in the semiconductor industry are concentrated.
Origin of Silicon Valley
so called from the silicon wafers employed in semiconductor devices
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- an industrial strip in W California, extending S of San Francisco, in which the US information technology industry is concentrated
- any area in which industries associated with information technology are concentrated
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.