Pro

preposition, Latin.
1.
for.
adverb
1.
in favor of a proposition, opinion, etc.
noun, plural pros.
2.
a proponent of an issue; a person who upholds the affirmative in a debate.
3.
an argument, consideration, vote, etc., for something.
adjective
1.
professional.
noun, plural pros.
2.
a professional.
3.
the pros, the professional athletic leagues, as of football, baseball, or basketball:
He’s sure to be signed by the pros.
noun, plural pros. Slang.
1.
prophylactic (def 5).
Biochemistry.
1.
proline.
1.
public relations officer.
1.
a prefix indicating favor for some party, system, idea, etc., without identity with the group (pro-British; pro-Communist; proslavery), having anti- as its opposite.
2.
a prefix of priority in space or time having especially a meaning of advancing or projecting forward or outward, and also used to indicate substitution, attached widely to stems not used as words:
provision; prologue; proceed; produce; protract; procathedral; proconsul.
1.
a prefix identical in meaning with pro-1, , occurring in words borrowed from Greek (prodrome) or formed of Greek (and occasionally Latin) elements.
adverb
1.
in favour of a motion, issue, course of action, etc Compare anti
preposition
2.
in favour of
noun (pl) pros
3.
(usually pl) an argument or vote in favour of a proposal or motion See also pros and cons
4.
(usually pl) a person who votes in favour of a proposal, motion, etc
noun (pl) pros
1.
(informal) short for professional
2.
(slang) a prostitute
abbreviation
3.
professional practitioner
adjective
4.
(informal) short for professional
abbreviation
1.
Public Records Office
2.
public relations officer
prefix
1.
in favour of; supporting: pro-Chinese
2.
acting as a substitute for: proconsul, pronoun
prefix
1.
before in time or position; anterior; forward: prophase, procephalic, prognathous

Pro abbr.
proline

pro- pref.

Earlier; before; prior to: progenitor.

Rudimentary: pronucleus.

Anterior; in front of: procephalic.

pro 1
pro 2
pro
pro
1.
professional
2.
prostitute
PRO
1.
peer review organization
2.
professional review organization
3.
pronoun
4.
public relations officer