Examlex
A guitar string is set into vibration with a frequency of 512 Hz.How many oscillations does it undergo each minute?
Abstract
Existing in thought or as an idea but not having a physical or concrete existence.
Concepts
Cognitive units of meaning that are abstract, generalized ideas or categories representing objects, qualities, or relations.
Referents
Objects or concepts in the world that words or phrases stand for or represent in language and thought.
Genus
A term in taxonomy representing a higher classification grouping that consists of similar species.
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