at+regular+times
131periodic — pe|ri|od|ic [ˌpıəriˈɔdık US ˌpıriˈa: ] adj also periodical [only before noun] happening a number of times, usually at regular times ▪ periodic home visits by nurses >periodically [ kli] adv ▪ Teachers meet periodically to discuss progress …
132close — close1 [ klouz ] verb *** ▸ 1 shut ▸ 2 when business stops ▸ 3 stop use of road etc. ▸ 4 end/finish ▸ 5 reduce distance ▸ 6 stop business relations ▸ 7 finish business deal ▸ 8 put fingers around something ▸ 9 have value at end of day ▸ 10 join… …
