Based on what is experienced or seen rather than on theory.

Below is a "useful piece" of content structured like a standard entry from the dictionary to help you understand its format and utility. Part of Speech: Adjective Academic Discipline: Social Studies / Science

: Use it to find precise meanings for words as they are used specifically in fields like physics or American history .

To get the most out of this resource, you can use several built-in features:

: Look for common word pairings (e.g., "conduct research" or "academic performance") to make your writing sound more natural and professional.

: Some editions offer word maps—visual representations of related concepts—to help you build a broader vocabulary. Definitions & Meanings - Cambridge English Dictionary

The (CACD) defines the specialized vocabulary students need for success in high school and higher education. It focuses on more than 2,000 key vocabulary items across disciplines such as math, chemistry, the arts, and social studies, alongside general academic terms like "analyze" and "subsequent".

Empirical data, empirical research, empirical study. How to Use the Dictionary Effectively