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-odus
- variant of -odont, especially in the names of genera in zoology:
ceratodus.
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Words That Use -odus
What does -odus mean?
The combining form -odus is used like a suffix meaning “toothed” or “having teeth.” It is used in some scientific terms, especially in the names of genera in zoology.
The form -odus ultimately comes from the Greek odoús, meaning “tooth.” The Latin word for “tooth” is dēns, source of the combining forms denti- and dento-.
The form -odus is a variant of -odont.
Want to know more? Read our Words That Use -odont article.
A corresponding form of -odont combined to the beginning of words is odonto-, which you can learn more about in our Words That Use article for the form.
Examples of -odus
One example of a scientific term that features the combining form -odus is ceratodus, a kind of lungfish.
The first part of the word, cerat-, means “horned.” As we have seen, the combining form -odus means “toothed.” Ceratodus literally translates to “having horned (as in ‘spiky’) teeth.”
What are some words that use the combining form -odus?
- Neoceratodus
- Ctenodus
- Ecterodus
What are some other forms that -odus may be commonly confused with?
Other words, such as exodus, end in the letters odus but are not using -odus as a combining form to mean “toothed.” For example, exodus is one of those words. Learn more about it at our entry for the word.
Break it down!
The combining form cteno- means “comb.” With this and the meaning of –odus in mind, what does the genus name Ctenodus literally mean?
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