white blood cell

noun

Definition of white blood cell

: any of the blood cells that are colorless, lack hemoglobin, contain a nucleus, and include the lymphocytes, monocytes, neutrophils, eosinophils, and basophils

called also leukocyte, white blood corpuscle, white cell

— compare red blood cell

Examples of white blood cell in a Sentence

Recent Examples on the Web

The pills treat a variety of cancers involving a type of white blood cell called B cells. Beth Mole, Ars Technica, "Doctors tried to lower $148K cancer drug cost; makers triple price of pill," 19 Apr. 2018 Checkpoint inhibitors work by activating white blood cells called T-cells, a part of the immune system that should attack tumors. Denise Grady, New York Times, "A Promising Cancer Treatment Made Patients Worse, Not Better," 5 June 2018 The lungs get clogged with white blood cells, fluid and debris and can no longer efficiently oxygenate the red blood cells, hence the cyanotic, blue-tinged skin so commonly observed in moribund young people during the Great War and its aftermath. William F. Bynum, WSJ, "‘Pandemic 1918’ and ‘Influenza’ Review: Fire, Ice or Virus?," 4 Jan. 2019 However, two to five hours later, levels of disease-fighting immune cells (like NK and white blood cells) decreased. Jessica Migala, Good Housekeeping, "5 Major Dry January Health Benefits, According to Experts," 26 Dec. 2018 These symptoms usually crop up because white blood cell formation, also known as pyuria, causes your bladder's lining to become inflamed, Dr. Bellows says. Amy Capetta, Redbook, "6 Signs of UTI That You'll Hopefully Never Experience," 6 Aug. 2018 The researchers found that five minutes post-orgasm, the study subjects had an increased level of certain types of lymphocytes (white blood cells that help your immune system fend off illness). Rachel Jacoby Zoldan, SELF, "14 Benefits of Female Masturbation and Why Every Woman Should Do It," 31 Dec. 2018 The 57-year-old’s disease-fighting white blood cells were drawn, reprogrammed with Crispr to delete a gene that interferes with the immune system’s ability to fight cancer, then re-injected into his body. Wenxin Fan, WSJ, "Chinese Gene-Editing Experiment Loses Track of Patients, Alarming Technology’s Inventors," 28 Dec. 2018 After three hours of waiting in the ER, the physicians found that my white blood cells were three times higher than normal. Jacqueline Andriakos, SELF, "What Appendicitis Really Feels Like, From 13 People Who Have Been There," 16 Oct. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'white blood cell.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of white blood cell

1852, in the meaning defined above

Keep scrolling for more

Learn More about white blood cell

Statistics for white blood cell

Last Updated

14 May 2019

Look-up Popularity

Time Traveler for white blood cell

The first known use of white blood cell was in 1852

See more words from the same year

Keep scrolling for more

More Definitions for white blood cell

white blood cell

noun

English Language Learners Definition of white blood cell

: a clear or colorless cell in the blood that protects the body from disease

white blood cell

noun

Kids Definition of white blood cell

: one of the tiny colorless cells of the blood that help fight infection

white blood cell

noun

Medical Definition of white blood cell

: any of the blood cells of the immune system that are colorless, lack hemoglobin, contain a nucleus, and include the lymphocytes, monocytes, neutrophils, eosinophils, and basophils along with their precursors and derivatives (as macrophages) : leukocyte abbreviation WBC

called also white blood corpuscle, white cell, white corpuscle

— compare red blood cell

Keep scrolling for more

More from Merriam-Webster on white blood cell

Rhyming Dictionary: Words that rhyme with white blood cell

Spanish Central: Translation of white blood cell

Nglish: Translation of white blood cell for Spanish Speakers

Britannica.com: Encyclopedia article about white blood cell

Comments on white blood cell

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

WORD OF THE DAY

a strong desire or propensity

Get Word of the Day daily email!

Test Your Vocabulary

Challenging Vocabulary Quiz Returns!

  • stylized drawing of woman pole vaulting across gap to get trophy
  • Which is a synonym of fuliginous?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

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!