Phrase guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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noun
A periodic biological system.
Definition source: English Wiktionary via Wiktextract
Topics: biology, natural-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
A crystal that has a structure that repeats not only in space, but also in time.
Definition source: English Wiktionary via Wiktextract
Qualifier: quantum mechanics
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
Coined by American biologist Arthur Winfree in 2001. An analogue to crystals, which have repetitive patterns in space.
Coined by American physicist Frank Wilczek in 2012. An extension of the concept of a crystal to encompass time.
