os·​te·​o·​blast | \ ˈä-stē-ə-ˌblast How to pronounce osteoblast (audio) \

Definition of osteoblast

: a bone-forming cell

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Other Words from osteoblast

osteoblastic \ ˌä-​stē-​ə-​ˈbla-​stik How to pronounce osteoblastic (audio) \ adjective

Examples of osteoblast in a Sentence

Recent Examples on the Web

The second, osteoblasts, create the matrices that bones form around, Byrne reports. Danny Lewis, Smithsonian, "Fish Don’t Do So Well in Space," 16 Jan. 2017

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

First Known Use of osteoblast

1867, in the meaning defined above

History and Etymology for osteoblast

International Scientific Vocabulary

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Time Traveler for osteoblast

The first known use of osteoblast was in 1867

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More Definitions for osteoblast


os·​teo·​blast | \ ˈäs-tē-ə-ˌblast How to pronounce osteoblast (audio) \

Medical Definition of osteoblast

: a bone-forming cell

More from Merriam-Webster on osteoblast

Britannica.com: Encyclopedia article about osteoblast

Comments on osteoblast

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


a sum of money that is sent as a payment

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