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linkage
Linkage describes a structural or systemic connection rather than a simple association. It implies a mechanism—whether physical, biological, or logical—that ensures two things move, act, or exist in tandem. In technical and mechanical contexts, it refers to the hardware (rods, joints) that transmits motion. The feeling is one of precision and engineering; if a "linkage" breaks, the entire system fails to communicate force. In academic or scientific contexts (like medicine or genetics), it denotes a causal or correlative bond. It is more formal than "link" or "connection," suggesting a proven relationship that has been mapped or analyzed.
Uncountable when discussing the abstract concept of a connection (e.g., 'the linkage between poverty and crime'). Countable when referring to a physical mechanical assembly of rods and levers (e.g., 'the steering linkage in a car').
Ý nghĩa
The act of linking or the state of being linked; a connection between two or more things.
"The study explores the linkage between diet and heart disease."