-ac
pertaining to
From Greek -akos, through Latin -acus, an adjective ending
Meaning
What does -ac mean?
-ac is a suffix meaning pertaining to. It comes from Greek -akos, through Latin -acus, an adjective ending.
Inside words it is spelled iac.
A form of -ic used after a stem ending in i, as in cardiac; when the root has no i of its own it reads -iac, as in hypochondriac.
In real words
Medical words with -ac
relating to the heart
located or occurring inside the heart, or introduced into it, as with a catheter
located below the rib cartilages, naming the two upper abdominal regions on either side of the epigastric region
situated below the heart
Don't mix it up
Parts easily confused with -ac
Sources
Checked against
Written for biofideX in plain words, after checking these references:
- MedlinePlus: Appendix A: Word Parts and What They Mean
- Suffixes – Medical Terminology: An Interactive Approach
- AC Definition & Meaning | Dictionary.com
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Endings that make nouns and adjectives
-ac is one of 14 parts in this lesson. Learn them together, then take real words apart.
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