See Also: COMMON SEAL, A seal used by a corporation(law)
fur seal(encyclopedia)
tar-seal(dictionary)
seal(4)(dictionary)
seal(3)(dictionary)
seal(2)(dictionary)
seal(1)(dictionary)
SEAL(dictionary)
seal(encyclopedia)
Seal(medicine)

Registered nurse (health) and oil seal (sh)


Registered nurse (health)


A trained medical professional who assists people in Health care under the direction of a physician.





oil seal (sh)




or shaft seal

In machines, a device that prevents the passage of fluids along a rotating shaft.

Seals are necessary when a shaft extends from a housing (enclosure) containing oil, such as a pump or a gearbox. Leather, synthetic rubber, and silicones are among the materials used for the sealing ring. See also bearing.