To work through the details of something; especially to work through difficulties.(verb)
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Use "hash out" in a sentence
"All the planets revolved around both stars, an arrangement with enough perturbations to make hash out of a standard orbit calculation, and Ferrol gave silent thanks that the team out there had been thinking straight enough to include updated numbers with their tachyon distress call."
"House Agriculture Committee Chairman Frank Lucas, R-Okla., says he hopes negotiators will tell lawmakers exactly how much they want cut from the farm budget and let Congress hash out the details."
"It was with these stakes in mind that in the summer of 2002, Gary Golkiewicz, the Chief Special Master, met with representatives from the Department of Health and Human Services, the Department of Justice, the Food and Drug Administration, and a Petitioners’ Steering Committee PSC made up of five lawyers representing more than four thousand families to hash out a framework for the proceedings."