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gastr-

American  
  1. variant of gastro- before a vowel.

    gastrectomy.


Usage

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.