1
: a dominant gene or factor
2
[International Scientific Vocabulary, from New Latin protogenes primeval, firstborn, from Greek prōtogenēs, from prōt- prot- + -genēs born]
: a hypothetical mutable primary unit that is capable of reduplication, is held to have differentiated from nonliving matter, and is regarded as a precursor of living beings
1
: a granite that is especially prevalent in the central Alps and that has a gneissoid texture probably due to dynamic action
2
: a rock with authigenic constituents
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Merriam-Webster unabridged
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