Definition

1. Noun:
   • A microorganism, especially one that causes disease: A very small living thing, particularly a bacterium or virus, that can cause illness. This is a general, non-technical term.
   • A small structure from which a new organism can develop: The earliest stage of development for a plant or animal, such as a seed or fertilized egg.
   • The origin or beginning of something that can grow: Anything that serves as the starting point or inspiration for later, more significant development.

Examples of Usage

• As a microorganism:
  • Wash your hands to kill germs and prevent illness.
  • The doctor said a germ was causing the infection.
• As a beginning stage of life:
  • The germ of the wheat plant is contained within the seed.
• As the origin of an idea:
  • The brief conversation contained the germ of a brilliant plan.
  • That simple sketch was the germ of his later masterpiece.

Advanced Usage

• "in germ": In an undeveloped or initial state.
  • The idea for the novel existed in germ for many years before he started writing.
• "germ theory": The scientific theory that many diseases are caused by microorganisms.
  • The discovery of germs led to the widespread acceptance of germ theory.

Variants and Related Words

• Germinal (adj): Relating to or in the earliest stage of development.
  • The meeting was germinal for the entire project.
• Germicide (n): A substance that kills germs.
  • Hospitals use strong germicides to clean surfaces.

Synonyms

• Microbe: A very small living organism, especially one that causes disease.
• Seed: The beginning of something; the origin.
• Embryo: An early stage of development of a multicellular organism.

Related Phrases

• Germ cell: A biological cell that gives rise to the gametes (sperm or egg) of an organism.
• Germ layer: A primary layer of cells in an embryo that develops into specific tissues and organs.
• Germ warfare: The use of harmful microorganisms as weapons in war. (Note: This is a compound term listed here as a related phrase, not as a direct example of the standalone word "germ").

Noun

1. a minute life form (especially a disease-causing bacterium); the term is not in technical use
2. a small apparently simple structure (as a fertilized egg) from which new tissue can develop into a complete organism
3. anything that provides inspiration for later work