Index of English words, starting with "no"

(1) - Nosology (n.) That branch of medical science which treats of diseases, or of the classification of diseases.
(2) - Nosology (n.) A systematic arrangement, or classification, of diseases.

(1) - Nostalgia (n.) Homesickness; esp., a severe and sometimes fatal form of melancholia, due to homesickness.

(1) - Nostoc (n.) A genus of algae. The plants are composed of moniliform cells imbedded in a gelatinous substance.