nutritionist
Concise Oxford English Dictionary © 2008 Oxford University Press:
nutrition/njuˈtrɪʃn/
▶noun
- 1 the process of ingesting and assimilating nutrients.
■ food; nourishment.
- 2 the branch of science concerned with nutrients and their ingestion.
– derivatives
nutritional adjective,
nutritionally adverb,
nutritionist (also nutritionalist) noun.
nutritional adjective,
nutritionally adverb,
nutritionist (also nutritionalist) noun.
– origin ME: from late L. nutritio(n-), from nutrire ‘nourish’.
'nutritionist' also found in these Oxford entries:

