hematology

American  

[hee-muh-tol-uh-jee, hem-uh-] / ˌhi məˈtɒl ə dʒi, ˌhɛm ə- /

noun

Medicine/Medical.

1. the study of the nature, function, and diseases of the blood and of blood-forming organs.

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hematology Scientific  

/ hē′mə-tŏl′ə-jē /

1. The branch of medicine that deals with the blood and blood-producing organs.

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Other Word Forms

• hematologic adjective
• hematological adjective
• hematologist noun

Etymology

Origin of hematology

First recorded in 1805–15; hemato- + -logy

Example Sentences

Sanofi SAN -0.66%decrease; red down pointing triangle said two bleeding disorder treatments for both chronic and acute conditions have been approved in China, expanding its hematology offerings in the country.

From The Wall Street Journal • Dec. 11, 2025

The company’s strength lies in its diversification, with its portfolio of more than 30 products and an extensive pipeline across hematology, oncology, cardiology, immunology, and neuroscience.

From Barron's • Nov. 20, 2025

Ph.D., professor of hematology and oncology, J. Chad Brenner, Ph.D., associate professor of otolaryngology-head and neck surgery, and Paul L. Swiecicki, M.D., associate medical director for the Oncology Clinical Trials Support Unit at Rogel.

From Science Daily • Apr. 16, 2024

Floy Agnes Lee: I had to learn how to take blood, how to read the blood cells, what type of blood cell, and all that's connected with the hematology.

From Scientific American • Jul. 27, 2023

“You are a specialist in hematology employed by the Anacortes General Hospital— is that correct? Do I have that right?”

From "Snow Falling on Cedars: A Novel" by David Guterson