rarity
அருமை, அருநிலை, வல்லொட்டு, அரும்பொருள்.
Rar"i*ty, n.; pl. Rarities. Etym: [L. raritas: cf. F. rareté. See Rare.] 1. The quality or state of being rare; rareness; thinness; as, the rarity (contrasted with the density) of gases. 2. That which is rare; an uncommon thing; a thing valued for its scarcity. I saw three rarities of different kinds, which pleased me more than any other shows in the place. Addison.