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Definition of: proto

1. First in rank or time; chief; typical: protomartyr.
2. Primitive; original: prototype.
3. Chem. a Designating the first or lowest member of a series; having the least amount (of an element or radical): protoxide. b Denoting the parent form or source of: protoactinium. Also, before vowels, prot-. [<Gk. prōto- <prōtos first]

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Statistical data

"proto" has the frequency of use of 0.0001% on city-data.com forum

"proto" has the frequency of use of 0.0001% on en.wikipedia.org.

Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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