undamped
|un-damped|
/ʌnˈdæmpt/
not reduced by damping
Etymology
'undamped' is formed in English from the prefix 'un-' + the past participle 'damped' (from the verb 'damp').
'damp' comes from Middle English 'dampen' / 'damp', ultimately from older Germanic roots (compare Dutch 'damp' meaning 'moisture'); the verb sense 'to damp' (to deaden or reduce vibration) developed later, and adding 'un-' produced 'undamped'.
Originally 'damp' related to moisture ('moist, humid'); over time a verb sense 'to damp' arose meaning 'to deaden or reduce (vibrations, sound, oscillations)', and 'undamped' evolved to mean 'not subject to that reduction' (especially in technical/physical contexts).
Meanings by Part of Speech
Verb 1
past participle form of 'undamp' (to leave not damped or to prevent damping).
They measured the signal while it remained undamped to observe the natural frequency.
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Adjective 1
not subject to damping; not losing amplitude or energy over time (used especially of oscillations or waves in physics and engineering).
The idealized model predicts undamped oscillations with constant amplitude.
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Last updated: 2025/09/05 06:11