fine-tuned
FYN-toond
faɪn tuːndListen
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Syllable breakdown
Dictionary meaning
adjusted with great precision so that every variable, parameter, or element is calibrated to an optimal value, producing a system that performs at peak efficiency without waste or mismatch; the metaphor comes from the careful adjustment of a musical instrument or a radio receiver to achieve perfect resonance or signal clarity, and is applied to anything from engineered systems and economic policies to evolutionary adaptations and cosmological parameters; in physics, the fine-tuning problem refers to the apparent improbability that the fundamental constants of the universe take values that permit the existence of complex structures and life
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