Terminology (noun)

1. The set of technical terms used in a particular subject or field.
2. The study or use of technical terms.

Origin:

Late 16th century: from latin terminus (see term) + -logy.

Examples:

1. The terminology used in the field of medicine can be quite complex.
2. The terminology of computer science is constantly evolving.
3. It is important to have a good understanding of the terminology used in the field of finance.
4. She is an expert in the terminology of legal documents.
5. The terminology of engineering is precise and specific.