Resonance

noun

/ˈrɛzənəns/

The phenomenon in which a system vibrates with abnormally large amplitude when subjected to an external force at or near its natural frequency.

✍️ Usage in a UPSC answer

A welfare scheme acquires durability not merely from its fiscal outlay but from its moral resonance with the lived aspirations of the poor, for policies that fail to strike a chord in the public conscience seldom outlast the governments that author them.

Synonyms

reverberationechosonoritydepthevocativenesspoignancy

Antonyms

flatnessdullnesshollownessdissonance

🌱 Word Family

resonate (v), resonant (adj), resonantly (adv), resonator (n), resonating (v pres.p)

🔡 Root

Latin resonāre = to resound; re- = again + sonāre = to sound; resonantia = echo

📜 Etymology

From Latin resonantia (echo), from resonāre (to resound), from re- (again) + sonāre (to sound).

🧠 Memory Hook

Re-SOUND: from Latin re- + sonare, "to sound again" — a note, or an idea, that keeps sounding and stays with you long after it is struck.

⚗️ General Science 📖 Seen in: Heat, Thermodynamics & Sound

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