philosopher's wool

English edit

Etymology edit

 
Philosopher’s wool or zinc oxide in the form of a white flocculent powder.

From philosopher ((obsolete) an alchemist) +‎ -’s +‎ wool.[1]

Pronunciation edit

Noun edit

philosopher's wool (uncountable)

  1. (alchemy, archaic) Zinc oxide (chemical formula ZnO) as a white flocculent powder.
    Synonym: (obsolete) philosophical wool

Alternative forms edit

Hypernyms edit

Translations edit

See also edit

References edit

  1. ^ philosophers’ wool, n.”, in OED Online  , Oxford, Oxfordshire: Oxford University Press, March 2006.

Further reading edit