Pro-

• A prefix signifying before, in front, forth, for, in behalf of, in place of, according to; as, propose, to place before; proceed, to go before or forward; project, to throw forward; prologue, part spoken before (the main piece); propel, prognathous; provide, to look out for; pronoun, a word instead of a noun; proconsul, a person acting in......
Found on http://thinkexist.com/dictionary/meaning/pro-/

pro-

<prefix> Prefix (from both Greek and Latin) with many meanings including before, in front of, preceding, on behalf of, in place of, and the same as. Used as a word, pro of course means professional and, in medicine, it is short for prothrombin. ... (12 Dec 1998) ...
Found on http://www.encyclo.co.uk/local/20973

Pro-

Pro- [ Latin pro , or Greek .... See Pro .] A prefix signifying before , in front , forth , for , in behalf of , in place of , according to ; as, pro pose, to place before; pro ceed, to go before or forward; pro ject, to throw forward;
Found on http://www.encyclo.co.uk/webster/P/164

Pro-

Pro-: A combining form (from both Greek and Latin) with many meanings including "before, in front of, preceding, on behalf of, in place of, and the same as." Used as a word, pro of course means professional and, in medicine, it is short for prothrombin.
Found on http://www.medterms.com/script/main/art.asp?articlekey=5049

pro-

Type: Term Definitions: 1. Prefix denoting before, forward. 2. In chemistry, prefix indicating precursor of.
Found on http://www.medilexicon.com/medicaldictionary.php?t=72131
No exact match found