- rough or jagged, as if hacked: Some minerals break with a hackly fracture.
Origin of hackly
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for hackly
It breaks with a rough, hackly fracture, is easily pulverised, and its powder is of a bright buff-yellow colour.Cooley's Practical Receipts, Volume II
It offers no indications of internal structure, but, on being separated by mechanical violence, exhibits a hackly fracture.