philosopher's wool

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See also: philosophers' wool

English

WOTD – 31 July 2023

Etymology

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

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

Pronunciation

Noun

philosopher's wool (uncountable)

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

Alternative forms

Hypernyms

Translations

See also

References

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

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