Word Parts Beginning With D

22 word parts in the Medical Terminology guide begin with the letter D — prefixes, word roots and suffixes together. Every entry links to its own page with worked examples.

A B C D E F G H I J K L M N O P Q R S T U V X Z

Word partTypeMeaning
dacryWord roottear, tear duct
de-Prefixdown, away from, removal, reversal
deca-Prefixten
demi-Prefixhalf
dentWord roottooth
dermWord rootskin
-dermSuffixskin; layer
dermatWord rootskin
-desisSuffixsurgical binding; fusion
dextro-Prefixright, on the right side
di-Prefixtwo, twice
dia-Prefixthrough, across, complete
-dipsiaSuffixthirst
dis-Prefixnot, apart, absence of, reversal
distWord rootfar, distant from a point
dolicho-Prefixlong
dorsWord rootback
dorso-Prefixback
-dromeSuffixthat which runs together; syndrome pattern
-dyniaSuffixpain
dys-Prefixbad, difficult, painful, abnormal
-dystrophySuffixabnormal development; degeneration
Please note: This section teaches the language of medicine — what word parts mean and how terms are built. It is an educational reference, not medical advice. For the meaning of a word in your own medical record, ask the clinician who wrote it.