Amorphous yog hais txog ib yam khoom uas muaj kev tsis sib haum xeeb lossis luv luv - ntau yam kev txiav txim thiab ntev - ntau yam teeb meem. Cov molecules (los yog atoms, ions) uas ua rau cov khoom tsis yog cov khib nyiab tau teem caij tsis tu ncua thiab tsis tu ncua hauv qhov chaw, thiab lawv tsis muaj qhov zoo li qub.
