The New York Stock Exchange started out as a coffee house.
aperiodic, nonperiodic
(adjective) not recurring at regular intervals
Source: WordNet® 3.1
aperiodic (comparative more aperiodic, superlative most aperiodic)
That does not recur periodically
(physics) That does not have a periodic vibration
(mathematics, stochastic processes, of a state) for which any return to it may occur at irregular times; not periodic.
Antonym: periodic
• adipocire, apiocerid
Source: Wiktionary
2 April 2025
(adjective) secret or hidden; not openly practiced or engaged in or shown or avowed; “covert actions by the CIA”; “covert funding for the rebels”
The New York Stock Exchange started out as a coffee house.