Definition of "logical positivism" []

• A philosophy asserting the primacy of observation in assessing the truth of statements of fact and holding that metaphysical and subjective arguments not based on observable data are meaningless. Also called logical empiricism. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.