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  • A prefix in words derived from Greek roots, denoting the first in a series or the highest in rank.
Usage examples:
  • Mr. Hunt, of the Museum of Practical Geology, instituted a series of experiments to illustrate the production of this substance, and found that decomposing vegetable matter, such as would be distributed through all coal strata, prevented the further oxidation of the proto- salts of iron, and converted the peroxide into protoxide by taking a portion of its oxygen to form carbonic acid. - "The Student's Elements of Geology", Sir Charles Lyell.
  • It is important, then, that I should examine more closely the Proto- Egyptian body of doctrine to elucidate the mutual influence of it and the ideas suggested by the practice of mummification. - "The Evolution of the Dragon", G. Elliot Smith.
  • It is important to realize what the phrase " odour of the living" would convey to the Proto- Egyptian. - "The Evolution of the Dragon", G. Elliot Smith.

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