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ultrafast

American  
[uhl-truh-fast, -fahst] / ˌʌl trəˈfæst, -ˈfɑst /

adjective

  1. extremely fast.

    ultrafast computers.


ultrafast British  
/ ˈʌltrəˌfɑːst /

adjective

  1. extremely fast

    an ultrafast internet connection

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of ultrafast

ultra- + fast 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"It's a future-proofed, ultrafast power module that will make the next generation of power converters more affordable, efficient, and compact."

From Science Daily

Because these components are compatible with monolithic integration in photonic integrated circuits, they may also enable a wide range of future technologies, including broad-band imaging and ultrafast spectroscopy operating on femtosecond timescales.

From Science Daily

CEO Lisa Su on Monday night showed off the company’s forthcoming MI455 chip, which she said had 70% more transistors than the current-generation MI355, as well as 400 gigabytes of “ultrafast” HMB4, a type of high-bandwidth memory.

From MarketWatch

CEO Lisa Su on Monday night showed off the company’s forthcoming MI455 chip, which she said had 70% more transistors than the current-generation MI355, as well as 400 gigabytes of “ultrafast” HMB4, a type of high-bandwidth memory.

From MarketWatch

These ultrafast events, where chemistry truly unfolds, have largely remained out of reach for scientists.

From Science Daily