a unit of length, 10−15 m, used in measuring nuclear distances. Symbol: F
- Also called femtometer.
Other definitions for Fermi (2 of 2)
En·ri·co [en-ree-koh; Italian en-ree-kaw], /ɛnˈri koʊ; Italian ɛnˈri kɔ/, 1901–54, Italian physicist, in the U.S. after 1939: Nobel Prize 1938.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use fermi in a sentence
He there saw the organ by Fermis which induced him to take up that mechanism and develop it to its present perfection.The Recent Revolution in Organ Building | George Laing Miller
La fulmo tiel ofte brilis ke ni fermis la okulojn pro ĝi, kaj treege ĝin timis.A Complete Grammar of Esperanto | Ivy Kellerman Reed
La fenestro longe estis nefermita; mi ĝin fermis, sed mia frato tuj ĝin denove malfermis.The International Auxiliary Language Esperanto | George Cox
British Dictionary definitions for fermi (1 of 2)
a unit of length used in nuclear physics equal to 10 –15 metre
British Dictionary definitions for Fermi (2 of 2)
Enrico (enˈriːko). 1901-54, Italian nuclear physicist, in the US from 1939. He was awarded a Nobel prize for physics in 1938 for his work on radioactive substances and nuclear bombardment and headed the group that produced the first controlled nuclear reaction (1942)
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
Scientific definitions for Fermi
Italian-born American physicist who won a 1938 Nobel Prize for his research on neutrons. In 1942, with Leo Szilard, Fermi built the world's first nuclear reactor. He also discovered over 40 new isotopes, including the element fermium, which is named for him.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.