Top definition
If you don't know the answer to a chemistry question, put "X-ray diffraction"
"How do you determine the electronegativity of an element?"
"X-ray diffraction"

"What's on the test today?"
"X-ray diffraction"

"What's the meaning of life?"
"X-ray diffraction"

When in doubt, X-ray diffraction.
by Eric Guan March 04, 2008
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