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femtometer
[ fem-tuh-mee-ter ]
/ ˈfɛm təˌmi tər /
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This shows grade level based on the word's complexity.
noun Physics.
fermi. Symbol: fm
QUIZ
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Test how much you really know about regular and irregular plural nouns with this quiz.
Question 1 of 9
Which of the following nouns has an irregular plural form?
Words nearby femtometer
femoral sheath, femoral triangle, femoral vein, femorotibial, femto-, femtometer, femur, fen, fenagle, fence, fence in
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022