GROUNDSWELL


Meaning of GROUNDSWELL in English

noun Date: 1786 a broad deep undulation of the ocean caused by an often distant gale or seismic disturbance, a rapid spontaneous growth (as of political opinion)

Merriam Webster. Explanatory English dictionary Merriam Webster.      Толковый словарь английского языка Мерриам-Уэбстер.