Full Definition of PATHOGEN. : a specific causative agent (as a bacterium or virus) of disease. See pathogen defined for English-language learners. See pathogen defined for kids.ull Definition of PATHOGEN. : a specific causative agent (as a bacterium or virus) of disease. See pathogen defined for English-language learners. See pathogen defined for kids.
Doppelbock or double bock is a stronger version of traditional bock that was first brewed in Munich by the Paulaner Friars, a Franciscan order founded by St. Francis of Paula.
Double Dutch. 1. a form of the game of jump rope in which two persons, holding the respective ends of two long jump ropes, swing them in a synchronized fashion, usually directed inward so the ropes are going in opposite directions, for one or two others to jump over. He says the document is in Hebrew, and he has translated it into double Dutch.