'groundmass' definitions:
Definition of '
groundmass
'
(from
WordNet
)
noun
(geology) the matrix of fine-grained crystalline material in which larger crystals are embedded
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
