Avogadro's constant

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Avogadro's constant

,

Avogadro constant

or

Avogadro's number

n
(Chemistry) the number of atoms or molecules in a mole of a substance, equal to 6.022 52 × 1023. Symbol: L or NA
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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References in periodicals archive
The one proposal calls for making Avogadro's constant, NA, an exact number.
BIOETHICS AND HISTORY AND PHILOSOPHY OF SCIENCE PAPER ABSTRACTS
I still remember when our science teacher asked if anyone knew what Avogadro's constant was and I was the only one with my arm raised.
What brought us here: Our first gadget crushes
Peter Becker of the Federal Institute of Physical and Technical Affairs (PTB) in Braunschweig, Germany, and his team measured the number of atoms in a sphere of silicon-28 to calculate Avogadro's constant to nine significant figures, reports Nature.
Kilogram to be redefined soon?
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