Adjective
English Wikipedia has an article on:ultrafastWikipedia
ultrafast (comparative more ultrafast, superlative most ultrafast)
Very fast, or of very short duration; especially concerning events that take place in femtosecond or picosecond timescales.
Last hospitalization we discovered I'm an ultrafast metabolizer of Fentanyl, they put it in my veins and 20 minutes later I'm back in pain and I also have a headache. Source: Internet
"Spin dynamics in antiferromagnets occur at a much shorter timescale than in ferromagnets, which offers attractive benefits for potential ultrafast device applications," Shi said. Source: Internet
He also referred to the announcement by Elon Musk, CEO of SpaceX and Tesla, that he was working on building an ultrafast transport system popularly known as hyperloop in California. Source: Internet
The technology, currently in development for commercialisation, uses ultrafast imaging to capture light at 1 trillion frames per second, allowing the camera to create slow motion videos of light in motion. Source: Internet
X-rays capture the ultrafast proton transfer reaction in ionized liquid water, forming the hydroxyl radical (OH) and the hydronium (H3O+) ion. Source: Internet
PULSE was created by Stanford in 2005 to help Stanford faculty and SLAC scientists develop ultrafast x-ray research at LCLS. Source: Internet