1 definition by my45inferno

Top Definition
As Pi day is celebrated by all the math geeks out there, Mole day is affectionatly welcomed by all of the science geeks, especially all the chemistry majors. It is celebrated October 23 and commemorates Avogadro's Number (6.02 x 10^23), which is a basic measuring unit in chemistry.
dude happy mole day!
by my45inferno July 30, 2007
Mug icon
Buy a Mole Day mug!