moly cow: Word of the day for March 31, 2017

moly cow , n :
(chemistry, medicine, informal) A device used to extract from a source of decaying molybdenum-99 the metastable isotope 99mTc of technetium, which is the most commonly used medical radioisotope. To celebrate April Fools' Day, we are featuring a series of terms associated with animals. Enjoy!
March 31, 2017