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
amplifier (n.)
1540s; agent noun from
amplify
. Electronic sense is from 1914; shortened form
amp
is from 1967.