Search:
Search Mode
Natural Language
Find single term
Find any term
Find exact phrase
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
upheaval
1838, in geology, from M.E. verb
upheave
(c.1300), from
up
+
heave
(v.). Cf. O.Fris.
upheva
, O.H.G.
ufhevan
, Ger.
aufheben
. Fig. sense, with ref. to convulsions of society, etc., recorded from 1850.
