Yours, Etc.: Origins and Uses of 8 Sign-Offs


[uhl-truh-fast, -fahst] /ˌʌl trəˈfæst, -ˈfɑst/
extremely fast:
ultrafast computers.
Origin Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
Examples from the web for ultrafast
  • Interestingly, the researchers found that blind people only use the right visual cortex for understanding ultrafast speech.
  • To unearth the bacteria's inner workings, the researchers zapped the connective proteins with multiple ultrafast laser pulses.
  • Tiny, ultrafast shutters can then be used to eliminate all but a single wavelength.
  • ultrafast computers, built around vastly downsized circuitry and requiring almost no electricity, seemed within reason.
  • Researchers then zapped each atom with an ultrafast laser that caused each atom to emit a single photon of light.
  • Sterile, high-tech cocoons such as this are made possible by an ultrafast network operating behind the scenes.
  • In contrast, ultrafast metabolizers may need more than the usual dose for the drug to be effective.
  • One place where this looming problem is particularly acute is in the ultrafast clocks used to pace computation.
  • Studying the world of the ultrasmall and the ultrafast is at the frontier of scientific research.
British Dictionary definitions for ultrafast


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
Cite This Source

Word of the Day

Word Value for ultrafast

Scrabble Words With Friends