gastr-


variant of gastro- before a vowel: gastrectomy.

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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

WORDS THAT USE GASTR-

What does gastr- mean?

Gastr- is a combining form used like a prefix meaning “stomach.” It is often used in medical terms, particularly in anatomy and pathology.

Gastr- comes from the Greek gastḗr, meaning “stomach” or “belly.”

Gastr- is a variant of gastro-, which loses its -o– when combined with words or word elements beginning with vowels.

Want to know more? Read our Words That Use gastro- article.

Examples of gastr-

One word you may have encountered that uses the combining form gastr- is gastrectomy, “a partial or total excision of the stomach.”

We know gastr- means “stomach.” The -ectomy portion of the word might also be familiar. It means “excision.” Gastrectomy literally translates to “stomach excision.”

What are some words that use the combining form gastr-?

What are some other forms that gastr- may be commonly confused with?

Break it down!

The combining part -itis is often used in medical terms to denote inflammation of an organ. With this in mind, what is the condition of gastritis?

Medical definitions for gastr-

gastr-

pref.

Variant ofgastro-
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.