Vocabulary : Protoconch to Protonema
Protoconch : The embryonic shell, or first chamber, of ammonites and other cephalopods.
Proto-Doric : Pertaining to, or designating, architecture, in which the beginnings of the Doric style are supposed to be found.
Protogine : A kind of granite or gneiss containing a silvery talcose mineral.
Protogynous : Same as Proterogynous.
Protohippus : A genus of fossil horses from the Lower Pliocene. They had three toes on each foot, the lateral ones being small.
Protomartyr : The first martyr; the first who suffers, or is sacrificed, in any cause; -- applied esp. to Stephen, the first Christian martyr.
Protomerite : The second segment of one of the Gregarinae.
Protometals : A finer form of metals, indicated by enhanced lines in their spark spectra (which are also observed in the spectra of some stars), obtained at the highest available laboratory temperatures (Lockyer); as protocalcium, protochromium, protocopper, protonickel, protosilicon, protostrontium, prototitanium, protovanadium.
Protomorphic : Having the most primitive character; in the earliest form; as, a protomorphic layer of tissue.
Protonema : The primary growth from the spore of a moss, usually consisting of branching confervoid filaments, on any part of which stem and leaf buds may be developed.
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: Protonemata, Protonotary, Protoorganism, Protopapas, Protophyte, Protophytology, Protopine, Protoplasm, Protoplasmatic, Protoplasmic
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