Search:
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
beta (n.)
second letter of the Greek alphabet, c. 1300, from Greek, from Hebrew/Phoenician
beth
(see
alphabet
); used to designate the second of many things.
Beta radiation
is from 1899 (Rutherford).
Beta particle
is attested from 1904.
