Examples from the Web for proto
No one was using Final Cut, so it was this Proto Editing program.Casey Affleck, Star of ‘Out of the Furnace,’ on His Hollywood Struggles|Marlow Stern|December 2, 2013|DAILY BEAST
The ferrous or proto salts have generally a greenish colour, but yield nearly colourless908 solutions, except when concentrated.Cooley's Practical Receipts, Volume II|Arnold Cooley
The central globe shows a cross at its centre, with the four quintets whirling round it, on the proto level.
On the proto level these six atoms in each segment gather together and form a "cigar."
The central globe holds together on the proto level, but yields five meta elements.
The globe, e, is a new form, the four tetrahedra of the proto level making a single twelve-atomed one on the meta.
British Dictionary definitions for proto
sometimes before a vowel prot-
Word Origin for proto-
Word Origin and History for proto
before vowels prot-, word-forming element meaning "first, source, parent, preceding, earliest form, original, basic," from Greek proto-, comb. form of protos "first," from PIE *pre-, from root *per- (1) "forward, through" (see per).