Examlex
The atomic weight is only an average of relative weights of an atom and its isotopes, and it may vary from the weight of a specific isotope.
Formal Concepts
Ideas or categories that are defined by specific rules or characteristics, often used in logic and mathematics.
Language Concepts
Fundamental elements involved in the acquisition, understanding, and use of language, including grammar, vocabulary, syntax, and semantics.
Concept
A concept is a general idea or understanding derived from specific instances, serving as a building block of human cognition and knowledge.
Cohort
refers to a group of individuals having a statistical factor in common, such as the year of birth, used in social science to study changes over time.
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