栄養士

1. Origins, structure, and basic meaning

• Structure: 栄養士 is read as えいようし. It is an occupational noun formed from 栄養 and the professional suffix 士.
• Basic usage: It refers to a professional who plans or explains meals and studies the relation between diet and health.

2. Common pitfalls and similar expressions

• Occupational patterns
  • Use 学校の栄養士 for affiliation and 栄養士を目指す when describing the goal of entering the profession.
• Not any nutrition adviser
  • Do not apply 栄養士 to anyone interested in nutrition; it names the specific professional role.