Top Definition
Outdated technology which was more popular in yesteryear.
Anybody with any sense refuses to buy American cars because they are always full of yestertech.
by PelotonKing February 27, 2006
Adjective; describing a device of mechanical or electrical methodology or technology - be it mechanical, electrical, hydraulic, etc. - which has been made obsolete by current standards, practices and/or methodologies. Something which has been replaced by state-of-the-art design; a device relegated to non-usefulness in terms of pragmatism, popular acceptance, and/or general obsolescence.
A rotary dial telephone is so yestertech.
by Michael Pacillo August 21, 2008
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