The symbol for the element californium.
CF 2 (sē-ěf)
A bipolar lead of an electrocardiograph that has electrodes attached to the chest and the left leg.
The symbol for californium.
A synthetic, radioactive metallic element of the actinide series that is produced from curium or berkelium and is used in chemical analyses. Its most stable isotope, Cf 251, has a half-life of 800 years. Atomic number 98. See Periodic Table.