on-base percentage
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Related to On base percentage: Ops, Slugging percentage
on-base percentage
(ŏn′bās′, ôn′-)n. Baseball
A batter's number of times of reaching base safely, excluding instances resulting from a fielder's choice or an error, divided by the total number of times batting minus sacrifices, expressed as a three-digit decimal and used as a measure of a batter's overall effectiveness.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.