Definition of castile soap
: a fine hard bland soap made from olive oil and sodium hydroxide; also : any of various similar soaps
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Origin and Etymology of castile soap
Middle English castell sope, from Castell Castile
First Known Use: 15th century
Medical Dictionary
castile soap
play
noun
cas·tile soap
\(ˌ)kas-ˌtēl-\
Medical Definition of castile soap
: a fine hard bland soap made from olive oil and sodium hydroxide; also : any of various similar soaps
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