| 单词 | femto- |
| 释义 | femto-a combining form used in the names of units of measurement which are 10−15 (one quadrillionth) smaller than the unit denoted by the base word. Origin of femto-<Danish, Norwegian femt(en) fifteen + -o- Words nearby femto-femoral nerve, femoral sheath, femoral triangle, femoral vein, femorotibial, femto-, femtometer, femur, fen, fenagle, fence Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for femto-femto- prefixdenoting 10 –15femtometer Symbol: f Word Origin for femto-from Danish or Norwegian femten fifteen 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 Medical definitions for femto-femto- pref.One quadrillionth (10-15):femtovolt. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. |
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