ppl. a. (UN-1 8.)

1

[1775.  Ash.]

2

1802.  Playfair, Illustr. Hutton. Th., 69. A subterraneous or unerupted lava.

3

1833.  Lyell, Princ. Geol., III. 107. These unerupted newer Pliocene lavas of Sicily.

4