rarity

[ rair-i-tee ]
/ ˈrɛər ɪ ti /

noun, plural rar·i·ties.

something rare, unusual, or uncommon: Snowstorms are a rarity in the South.
something esteemed or interesting in being rare, uncommon, or curious: That folio is a rarity that will bring a good price.
the state or quality of being rare.
rare occurrence; infrequency: Volcanic eruptions on the island occur with great rarity.
unusual excellence.
thinness, as of air or a gas.

Origin of rarity

1550–60; < Latin rāritās thinness, equivalent to rār(us) rare1 + -itās -ity
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for rarities

British Dictionary definitions for rarities

rarity
/ (ˈrɛərɪtɪ) /

noun plural -ties

a rare person or thing, esp something interesting or valued because it is uncommon
the state or quality of being rare
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012