American Heritage® Dictionary of the English Language, Fourth Edition
- adj. Occurring without periodicity; irregular.
- adj. Physics Without periodic vibrations.
Century Dictionary and Cyclopedia
- Without periodicity.
- adj. That does not recur periodically
- adj. physics That does not have a periodic vibration
- adj. mathematics for which any return to it may occur at irregular times; not periodic.
- adj. not recurring at regular intervals
“Some trajectory orbits are aperiodic, meaning that they do not repeat themselves on any time scales.”
“Schrödinger proposed that a gene could be stable from one generation to another if it is an 'aperiodic' crystal – in other words, something with a regular but non-repeating structure.”
“But life is characterized by specified complexity: the aperiodic, information-rich sequences of DNA and proteins, for instance, which appear nearly random to standard information theory.”
“Like a big, macroscopic, aperiodic quasi-crystal complete with embedded dislocations.”
“Like in ecosystems, things in a steady state economy are changing constantly in both periodic and aperiodic ways.”
“Mathematically, it was shown that it is possible to completely cover a two dimensional plane with a distinct set of shapes ( "tiles") and not end up with a repeating pattern ( "aperiodic").”
“Are Penrose's instincts correct that he solved the aperiodic tiling problem instinctually instead of algorithmically?”
“Penrose points to aperiodic tiling for his non-algorithmic explanation.”
“Naturally occurring aperiodic crystals that matched Penrose Tilings.”
“After Hao Wang/Berger proved aperiodic tilings exist in 1966, people tried to find them.”
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