接触 (jiē chù) is a verb meaning 'to contact' or 'to come into contact with'—literally combining 接 (jiē, 'to receive' or 'to connect') and 触 (chù, 'to touch'). Together, they convey the idea of physical or direct interaction between two entities, often implying proximity, transmission, or exposure. It’s commonly used in medical, scientific, and everyday contexts to describe how people, objects, or substances interact.

This word emphasizes direct, often tangible interaction—not just communication (like 打电话) but actual proximity or surface-level contact. For example, doctors warn patients about avoiding contact with infected surfaces; scientists study how viruses spread through contact. While it can be used abstractly (e.g., 接触新思想, 'to encounter new ideas'), its core sense remains rooted in immediacy and physical or experiential closeness. It’s neutral in register and frequently appears in both spoken and written Chinese.