n. 1.  Biology   A small mass of protoplasm or cells from which a new organism or one of its parts may develop. 2.  The earliest form of an organism; a seed, bud, or spore. 3.  A microorganism, especially a pathogen. 4.  Something that may serve as the basis of further growth or development: the germ of a project. [Middle English, bud, from Old French germe, from Latin germen; see  genə- in the Appendix of Indo-European roots.]  | 
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