Nutrition
Part of speech: noun
Definition: The organic process by which an organism assimilates food and uses it for growth and maintenance.
Example sentence: I found a great trainer in Miami with Dodd Romero, who's worked with a lot of celebrities and athletes. We built a good program for me for training and for me to work on my nutrition and things like that.
Alimentation
Part of speech: noun
Definition: feeding, being fed; the provision of food and other necessities.