'Tertium quid' definitions:

Definition of 'tertium quid'

noun

Some third thing similar to two opposites but distinct from both

Definition of 'Tertium quid'

From: GCIDE

Tertium quid \Ter"ti*um quid\ [L.] A third somewhat; something mediating, or regarded as being, between two diverse or incompatible substances, natures, or positions. [Webster 1913 Suppl.]

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