| a. | 1. | (Geol.) Not stratified; - applied to massive rocks, as granite, porphyry, etc., and also to deposits of loose material, as the glacial till, which occur in masses without layers or strata. |
| Adj. | 1. | unstratified - not deposited in layers; "glacial till is unstratified" Antonyms: bedded, stratified - deposited or arranged in horizontal layers; "stratified rock" |