- curiosity, wonder - a state in which you want to learn more about something
--1 is a kind of cognitive state, state of mind
--1 has particulars:desire to know, lust for learning, thirst for knowledge; interest, involvement; curiousness, inquisitiveness - curio, curiosity, oddity, oddment, peculiarity, rarity - something unusual
--2 is a kind of object, physical object
--2 has particulars:bric-a-brac, knickknack, nicknack, knickknackery, whatnot; collectible, collectable; collector's item, showpiece, piece de resistance