Definition

Noun: A high-quality, hard bar soap traditionally made from olive oil and sodium hydroxide (lye). It is known for being mild, long-lasting, and producing a low lather.

Usage

"Castile soap" is used as a countable or uncountable noun to refer to the soap itself. It is often associated with natural cleaning and personal care. - She uses pure castile soap for washing her face because it's gentle on her skin. - A few drops of liquid castile soap can be diluted to make an all-purpose cleaner.

Advanced Usage

• Historical/Cultural Reference: The term originates from the Castile region of Spain, where this type of soap was first widely produced from local olive oil.
  • Traditional Castile soap was prized for its purity and simplicity.

Variants and Related Words

• Liquid castile soap: A modern, pourable form of the soap, often made with the same base oils.
  • Liquid castile soap is convenient for making homemade cleaning solutions.

Different Meanings

This term specifically refers to the type of soap. It does not have other common meanings.

Synonyms

• Olive oil soap: A direct descriptive synonym.
• Marseille soap: A similar type of French soap also traditionally made with olive oil.

Idioms

There are no common idioms using "castile soap."

Phrasal Verbs

There are no phrasal verbs using "castile soap."

Noun

1. a good hard soap made from olive oil and sodium hydroxide