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cranio-

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a combining form representing cranium in compound words: craniotomy.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

WORDS THAT USE CRANIO-

What does cranio- mean?

Cranio- is a combining form used like a prefix representing the word cranium, the skull, especially the part that covers the brain. It is often used in medical terms, especially in anatomy.

Cranio- ultimately comes from the Greek krāníon, meaning “skull.”

What are variants of cranio-?

When combined with words or word elements that begin with a vowel, cranio- becomes crani-, as in craniectomy.

Examples of cranio-

An example of a word you may have encountered that features cranio- is craniotomy, “the operation of opening the skull, usually for operations on the brain.”

We know that cranio- means “skull,” but what about the tomy part of the word? It means “cutting, incision.” Craniotomy literally translates to “skull cutting.”

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

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

Break it down!

The combining form -meter means “measure,” and it is used to name measuring instruments. What does a craniometer measure the dimensions of?

How to use cranio- in a sentence

British Dictionary definitions for cranio-

cranio-

before a vowel crani-


combining form
indicating the cranium or cranialcraniotomy
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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