Hear a word and type it out. How many can you get right?
TAKE THE QUIZmemory cell
noun
: a long-lived lymphocyte that carries the antibody or receptor for a specific antigen after a first exposure to the antigen and that remains in a less than mature state until stimulated by a second exposure to the antigen at which time it mounts a more effective immune response than a cell which has not been exposed previously
Love words? Need even more definitions?
Merriam-Webster unabridged
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- Often used to describe “the march of time,” what does inexorable mean?


Can you make 12 words with 7 letters?
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