transfer factor

noun

Definition of transfer factor

: a substance that is produced and secreted by a lymphocyte functioning in cell-mediated immunity and that upon incorporation into a lymphocyte which has not been sensitized confers on it the same immunological specificity as the sensitized cell

First Known Use of transfer factor

1956, in the meaning defined above

Keep scrolling for more

Learn More about transfer factor

Time Traveler for transfer factor

Time Traveler

The first known use of transfer factor was in 1956

See more words from the same year

Statistics for transfer factor

Cite this Entry

“Transfer factor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/transfer%20factor. Accessed 1 Oct. 2020.

Keep scrolling for more

More Definitions for transfer factor

transfer factor

noun

Medical Definition of transfer factor

: a substance that is produced and secreted by a lymphocyte functioning in cell-mediated immunity and that upon incorporation into a lymphocyte which has not been sensitized confers on it the same immunological specificity as the sensitized cell

Comments on transfer factor

What made you want to look up transfer factor? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Challenging Vocabulary Quiz Returns!

  • stylized drawing of woman pole vaulting across gap to get trophy
  • Which is a synonym of fuliginous?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Citation

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!