Zeolite
Naturally occurring or synthetic permutite, a hydrated alkali-aluminum
silicate that exhibits limited base exchange. Used as an ion exchange medium
for the softening of hard water.
Zeta Potential
The charge or potential existing at the surface of a particle. It is the
positive charge measured at the surface of the membrane across the pH range.
Zoonosis
Any disease in humans acquired from one of the lower animals, rabies is an
example.
Zygote
Single cell formed from the conjugation of gametes (egg and sperm cells).
The zygote has twice as many chromosomes as do gametes.