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a combining form meaning “crystal,” used in the formation of compound words: crystallography.
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Origin of crystallo-

<Greek krystallo-, combining form of krýstalloscrystal
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022


What does crystallo- mean?

Crystallo- is a combining form used like a prefix meaning “crystal.” It is used in some scientific terms, especially in geology and mineralogy.

Crystallo- comes from the Greek krýstallos, meaning “clear ice, rock crystal,” source of the word crystal, as you may have guessed.

But did you guess the following? The Greek krýstallos is related to krýos, meaning “ice cold” or “frost” and source of the combining form cryo-. Learn more in our Words That Use cryo- article.

What are variants of crystallo-?

When combined with words or word elements that begin with a vowel, crystallo- becomes crystall-, as in crystallize.

When combined with word elements that come from Latin, crystallo- occasionally becomes crystalli-, as in crystalliferous.

Examples of crystallo-

The combining form crystallo- can be found in the term crystallography, meaning “the science dealing with crystallization and the forms and structure of crystals.”

As we know, crystallo- means “crystal.” The second half of the word, -graphy, from the Greek graphia, denotes “a process or form of drawing, writing, representing, recording, describing, etc., or an art or science concerned with such a process.” Essentially, crystallography is the science of crystals.

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

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

Break it down!

The combining form -geny can variously refer to the “production,” “origin,” “development,” or “formation” of something. What, then, is crystallogeny?

British Dictionary definitions for crystallo-


before a vowel crystall-

combining form
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