'Dietitian' definitions:

Definition of 'dietitian'

(from WordNet)
noun
A specialist in the study of nutrition [syn: dietician, dietitian, nutritionist]

Definition of 'Dietitian'

From: GCIDE
  • Dietist \Di"et*ist\, Dietitian \Di`e*ti"tian\, n. One skilled in dietetics. [R.] [1913 Webster]