NUTRITIONIST
Meaning of NUTRITIONIST in English
nu ‧ tri ‧ tion ‧ ist /njuːˈtrɪʃ ə nəst, njuːˈtrɪʃ ə nɪst $ nuː-/ BrE AmE noun [countable]
someone who has a special knowledge of nutrition
Longman Dictionary of Contemporary English.
Longman - Словарь современного английского языка.
2012