______ implies an occupation requiring special knowledge and training in some field of science or learning.

The term that is often used to describe an occupation requiring special knowledge and training in some field of science or learning is "profession."

A profession typically entails advanced training and a specific set of skills that are necessary for specialized tasks. This can be seen in fields such as medicine, law, engineering, education, and scientific research, where practitioners must not only possess foundational knowledge but also engage in continuous education and professional development to keep up with advancements in their respective fields.

Professions often have regulatory bodies or organizations that establish standards, ethics, and qualifications necessary to practice, ensuring a level of competence and integrity among practitioners. For example, doctors must have a medical degree and be licensed, while teachers often need specific certifications. Thus, the concept of a profession ensures that individuals engaged in these fields are qualified and adhere to a certain ethical standard, which is crucial for the well-being of society at large.