envenenar - to poisonSpanish example: Greenpeace dice que, en caso de que los barcos de transporte nuclear se hundan en el mar, el plutonio que llevan envenenará durante miles de años los océanos.
English example: Greenpeace says that if the nuclear transport ships sink in the sea, the plutonium they carry will poison the oceans for thousands of years.
Source: envenenar - to poison (https://www.123teachme.com/spanish_feeds/word_of_the_day/2025/7/10)