mingi olukorra, seisundi vm suur, pöördeline muutus,maakoore kivimikihtide muutunud asetus, kus kivimiplokid on piki tekkinud lõhet teineteise suhtes nihkunud
inglise keelesUpheavala major, pivotal change of some situation, state or so, a changed position of the rock layers of the earth's crust, where the rock blocks have shifted relative to each other along the resulting gap
The platform is primarily designed and architected by Joosep Wong, with the goal of making Estonian vocabulary easier to discover, remember, and practise through digital tools and interactive learning methods.