probability

Definition

• n. a measure of how likely it is that some event will occur; a number expressing the ratio of favorable cases to the whole number of cases possible
• n. the quality of being probable; a probable event or the most probable event

Word forms

Plural

probabilities

Example sentences

1. n.

   There is a high probability of rain tomorrow, so don't forget your umbrella.

2. n.

   In chemistry, probability is used to predict how likely a reaction will occur.