• Microorganism, especially a pathogenic one; see Germ theory of disease.
• Germ cell, a cell that has all the information to grow into a complete adult organism.
• The Germ (periodical), a periodical established by the Pre-Raphaelite Brotherhood to disseminate their ideas.
• Germ (mathematics)
• Cereal germ
• Germ, Hautes-Pyrénées, a commune of the Hautes-Pyrénées département, in southwestern France
• Slang term for gentlemen, as some speakers say "Hello, ladies and germs."

The plural form Germs can refer to:

• GERMS, a student run EMS organization at Georgetown University
• The Germs, an American punk rock band,
• The Germs (comics), a comic book
• Germs (Invader Zim), an episode from Invader Zim.
• Germs (song), a song by "Weird Al" Yankovic

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