Associations to the word «Femtometer»

Wiktionary

FEMTOMETER, noun. US spelling of femtometre A length of 10-15 of a meter, 1 quadrillionth of a meter.

Dictionary definition

FEMTOMETER, noun. A metric unit of length equal to one quadrillionth of a meter.

Wise words

The right word may be effective, but no word was ever as effective as a rightly timed pause.
Mark Twain