单词	aperiodicity
释义	aperiodic adjective ape·​ri·​od·​ic ˌā-ˌpir-ē-ˈä-dik  1 : of irregular occurrence : not periodic aperiodic floods 2 : not having periodic vibrations : not oscillatory aperiodically ˌā-ˌpir-ē-ˈä-di-k(ə-)lē  adverb aperiodicity ˌā-ˌpir-ē-ə-ˈdi-sə-tē  noun Synonyms casual catchy choppy discontinuous episodic episodical erratic fitful intermittent irregular occasional spasmodic spastic sporadic spotty unsteady See all Synonyms & Antonyms Example Sentences released aperiodic reports on the results of their cancer research Recent Examples on the Web Penrose showed that a class of polygons now called Penrose tiles can combine to form aperiodic patterns, which never repeat themselves. John Horgan, Scientific American, 16 June 2021 The most famous aperiodic tiling pattern uses two different shapes. Greta Lorge, WIRED, 22 Feb. 2007 Word History First Known Use 1870, in the meaning defined at sense 1 Medical Definition aperiodic adjective ape·​ri·​od·​ic ˌā-ˌpir-ē-ˈäd-ik  1 : of irregular occurrence 2 : not having periodic vibrations : not oscillatory aperiodicity noun as in inconsistency Synonyms & Similar Words Relevance inconsistency volatileness inconsistence instability volatility capriciousness unpredictability changeability fickleness variableness unsteadiness mutability caducity changeableness irregularity unevenness variability impermanence evanescence Antonyms & Near Antonyms stability steadiness invariability immutability consistency immutableness uniformity constancy fixedness regularity changelessness unchangeableness durability sameness permanence enduringness lastingness See More
随便看	sheqel sher Sherani sheranis sherardise sherardised sherardiser sherardises sherardising sherardize sherardized sherardizer sherardizes sherardizing sherata Sheraton sheratons sherbert sherberts sherbet sherbets Sherbrooke sherd sherds shereef

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