Word Parts Beginning With N

12 word parts in the Medical Terminology guide begin with the letter N — 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
nasWord rootnose
necWord rootdeath, dead tissue
-necrosisSuffixtissue death
neo-Prefixnew
nephrWord rootkidney
neurWord rootnerve
nocWord rootharm, injury; pain signal in nociception
-nomySuffixsystem of laws; body of knowledge
non-Prefixnot
normo-Prefixnormal
nosWord rootdisease
nulli-Prefixnone, never
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.