Also means
quirk
Usage Note
Peculiaridad refers to a distinctive or unusual characteristic of a person, place, or system. It is neutral-to-positive in register; compare rareza ('oddness'), which leans more negative. The adjective is peculiar, which is a near-perfect cognate with English. Una de las peculiaridades de este idioma es… ('one of the quirks of this language is…') is a typical scholarly framing.
Examples
"Cada región tiene sus propias peculiaridades."
Natural Translation
Each region has its own peculiarities.

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