Null

(redirected from null lymphocyte)
Also found in: Dictionary, Thesaurus, Medical, Encyclopedia.

Null

Of no legal validity, force, or effect; nothing. As used in the phrase null and void, refers to something that binds no one or is incapable of giving rise to any rights or duties under any circumstances.

NULL. Properly, that which does not exist; that which is not in the nature of things. In a figurative sense it signifies that which has no more effect than if it did not exist. 8 Toull. n. 320.