Top definition
The single factor not taken into account in any situation, which usually leads to catastrophe.
The fact that Joe didn't clean the beaker properly was the absent factor in the experiment that lead to the explosion in the lab.
by jon132 March 01, 2009
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Sep 12 Word of the Day
Anatidaephobia is defined as a pervasive, irrational fear that one is being watched by a duck. The anatidaephobic individual fears that no matter where they are or what they are doing, a duck watches.

Anatidaephobia is derived from the Greek word "anatidae", meaning ducks, geese or swans and "phobos" meaning fear.
A:dude, Anatidaephobia is the coolest phobia ever!
B:quack!
by blank babushka October 24, 2009
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