PROTO- • DICTIONARY ONE.COM • Definition of Proto-

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prefix

Proto- pref.

A combining form prefix signifying first, primary, primordial; as, protomartyr, the first martyr; protomorphic, primitive in form; protoplast, a primordial organism; prototype, protozoan.

(Chem.)

(a)

Denoting the first or lowest of a series, or the one having the smallest amount of the element to the name of which it is prefixed; as protoxide, protochloride, etc.

(b)

Sometimes used as equivalent to mono-, as indicating that the compound has but one atom of the element to the name of which it is prefixed. Also used adjectively.

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Etymology of 'Proto-'

Collaborative International Dictionary of English 0.48

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"Proto-" Quotes from Famous Books

... down wearied and satisfied, filled with devout gratitude to his Master—his face pale, and his dark eyes looking out upon us all, his whole countenance radiant and subdued. Any likeness of him in this state, more like that of the proto-martyr, when his face was as that of an angel, than anything I ever beheld, would have made one feel what it is so impossible otherwise to convey,—the mingled sweetness, dignity, and beauty of his face. When it was winter, and the church darkening, and the lights ...

— Spare Hours • John Brown

... by the filament, which commences an active spiral motion. The signification of these organs is at present quite unknown; they appear, from the researches of Ngeli, to resemble the cell mucilage, or proto-plasma, in composition, and are developed from it. Schleiden regards them as mere mucilaginous deposits, similar to those connected with the circulation in cells, and he contends that the movement of these ...

— COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1 • Alexander von Humboldt

... lays down his life for his religion. The word means a "witness." St. Stephen was the first, or proto-martyr. ...

— The Church Handy Dictionary • Anonymous

... extent of Georgia about represents in latitude the Vedic province (35 deg. to 30 deg.), while Florida (30 deg. to 25 deg.) roughly shows the southern progress from the seat of old Brahmanism to the cradle of young Buddhism. These are the extreme limits of Vedism, Brahmanism and proto-Buddhism. South of this the country was known to Brahmanism only to be called savage, and not before the late S[u]tras (c. 300 B.C.) is one brought as far south as Bombay in the West. The [A]itareya Br[a]hmana, which represents the ...

— The Religions of India - Handbooks On The History Of Religions, Volume 1, Edited By Morris Jastrow • Edward Washburn Hopkins

... Borlinetto, in which he states that he has been induced by the analogy which exists between oxalic and succinic acids to try whether succinate of iron can be substituted for oxalate of iron as a developer. To prove this he prepared some proto-succinate of iron from the succinate of potassium and proto-sulphate of iron, following the method given by Dr. Eder for the preparation of his ferrous oxalate developer. He carried out the development in the same way as is done by the oxalate, and ...

— Scientific American Supplement, No. 286 - June 25, 1881 • Various