- the probability of a specified outcome
- the ratio by which one better's wager is greater than that of another

The ratio of the probability of an event happening, to that of it not happening.

*[Noun]* The likelihood, or chance, of something happening. Also 'odds' are the probability of a horse winning a race.

Example: Tom said that the odds were 10 to 1 against him passing his exams. The chance of my horse coming first in the race is 25 to one. The odds on my horse are 25:1.

Found on http://www.bbc.co.uk/skillswise/glossary/

[

*n]* - the ratio by which one better`s wager is greater than that of another

Found on http://www.webdictionary.co.uk/definition.php?query=odds

The odds of an event happening is the ratio of the number of times the event happens divided by the number of times it does not happen.

Found on http://www.encyclo.co.uk/local/20429

Ratio of the probability of occurrence of an event to that of non-occurrence, or the ratio of the probability that something is so, to the probability that it is not so.

Found on http://sis.nlm.nih.gov/enviro/iupacglossary/glossaryo.html

**Odds** (ŏdz)

* noun sing. & plural* [ See

__ Odd__ ,

* adjective* ]

** 1.** Difference in favor of one and against another; excess of one of two things or numbers over the other; inequality; advantage; superiority; hence, excess of chances; probability. 'Preëminent by so much...

Found on http://www.encyclo.co.uk/webster/O/11

The ratio of probability of occurrence to non-occurrence of an event. ... Origin: pl. Of odd, fr. M.E. Odde, fr. O.Norse oddi, odd number ... (05 Mar 2000) ...

Found on http://www.encyclo.co.uk/local/20973

*noun* the likelihood of a thing occurring rather than not occurring

Found on http://wordnetweb.princeton.edu/perl/webwn?s=odds

betting odds *noun* the ratio by which one better`s wager is greater than that of another; `he offered odds of two to one`

Found on http://wordnetweb.princeton.edu/perl/webwn?s=odds

• (a.) Difference in favor of one and against another; excess of one of two things or numbers over the other; inequality; advantage; superiority; hence, excess of chances; probability. • (a.) Quarrel; dispute; debate; strife; -- chiefly in the phrase at odds.

Found on http://thinkexist.com/dictionary/meaning/odds/

(from the article `gambling`) ...one wins (dies), the win is paid out to one`s relatives, and if one loses (survives the specified time), the wager (premium) is kept by the ... The oldest form of betting is probably one in which gamblers bet winner take all on the outcome of a contest. Today one of the most common forms of ... [2 rel...

Found on http://www.britannica.com/eb/a-z/o/6

a statement of the probabilities that an event will or will not happen. If an event has a-b (or a to b, or a:b) odds in its favor, then the probability is being divided into a + b parts; the probability is a/(a + b) that the event will happen and b/(a + b) that it will not happen. In sports, however, the odds quoted are often odds that a contestant...

Found on http://www.unc.edu/~rowlett/units/dictO.html

Odds is British slang for to risk, to take a chance on.

Found on http://www.probertencyclopaedia.com/browse/ZO.HTM

Odds is British slang for to risk, to take a chance on.

Found on http://www.probertencyclopaedia.com/browse/ZO.HTM

Type: Term Pronunciation: odz Definitions: 1. The ratio of probability of occurrence to nonoccurrence of an event.

Found on http://www.medilexicon.com/medicaldictionary.php?t=62225

Basically odds represent the chance of your horse winning - as defined by the bookmaker. So odds of 5/1 (which means 5 to 1) mean the bookmaker think it has a 1 in 6 chance of winning. To calculate your potential winnings, you multiply your stake by the odds. For example, if the odds are 5/1, and you bet £10, then you would win £10*5 = £50 if th...

Found on http://www.tophorseracinglinks.com/html/glossary.htm

The amount a bet pays off. For example, 10 to 1, 3 to 1, 30 to 1, etc.

Found on http://www.gamblingplanet.org/Gambling-Glossary-O

the ration between the amounts staked on the outcome of a bet, based on the probability either way.

Found on http://www.bannedsystems.co.uk/systems/raceterms.htm

the mathematical chances that a particular event will occur

Found on http://www.beating-blackjack.com/blackjack_glossary.html

the mathematical chances that a particular event will occur

Found on http://www.beating-blackjack.com/blackjack_glossary.html

The sportsbook's or bookmaker's view of the chance of a competitor winning (adjusted to include a profit). The figure or fraction by which a bookmaker or totalisator offers to multiply a bettor's stake, which the bettor is entitled to receive (plus his or her own stake) if their selection wins.

Found on http://www.encyclo.co.uk/local/21627

Odds are a numerical expression, always consisting of a pair of numbers, used in both gambling and statistics. In statistics, Odds for reflect the likelihood that a particular event will take place. Odds against reflect the likelihood that a particular event will not take place. The usages of the term among statisticians and probabilists on the on...

Found on http://en.wikipedia.org/wiki/Odds

**No exact match found**