Wavelet
/ˈweɪv.lət/noun
A small wave or a short-lived oscillation, especially in physics and mathematics.
Did you know?In modern mathematics, wavelets became powerful tools for analyzing signals at multiple scales, helping compress images and detect brief events such as seismic shocks.
Etymological Timeline
Proto-Indo-European
PIE
*webh-
“To move back and forth; also associated with weaving or interlacing.”
Proto-Germanic
PGmc
*wabjaną
“To move, fluctuate, or wave.”
Old English
Old English
wafian
“To wave, fluctuate, or move unsteadily.”
Middle English
Middle English
wave
“A moving ridge or swell of water; also a gesture or motion.”
16th Century
English
wavelet
“A small wave, formed from wave plus the diminutive suffix -let.”
20th Century
English
wavelet
“A short, localized oscillation used in mathematics, physics, and signal analysis.”