Definition of "nit" []

• The egg or young of a parasitic insect, such as a louse. (noun)
• A unit of illuminative brightness equal to one candle per square meter, measured perpendicular to the rays of the source. (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.

• "Another nit is that in talking about Friedman's contributions to economic research, the film talks about the permanent income hypothesis but not the natural-rate hypothesis (although the latter term is used by at least one person during the film)."
• "About the only thing I can complain about, and its a bit of a nit, is that there were several instances where Harry's life was in immediate and mortal danger."
• "And, while I am still in nit-picking mode, the cyclical nature of Lake Chapala's fluctuating levels, referred to several times in the text, may well be more a function of the time scales employed on the graphs (pages 28 and 354) in this volume, rather than being indicative of any genuine cyclical behavior."