in reference to an acid obtained from opium, 1819, from Greek mekonikos "of or pertaining to the poppy," from mekon "poppy" (see meconium). Related: Meconine (n.).
Online Etymology Dictionary, © 2010 Douglas Harper
Examples from the Web for meconic
Meconic acid, C7H4O7, which is found in opium in combination with the different bases, has also been investigated.
This separates the meconic acid as lead meconate, whilst the morphia is dissolved in the acetic acid set free.Cooley's Practical Receipts, Volume II
Sulphide of lead is thus thrown down and may be separated by filtration, the meconic acid remaining in solution.
We endeavor therefore to obtain evidence of the presence of morphia and meconic acid.
Meconic acid gives a blood-red colour with perchloride of iron, not discharged by corrosive sublimate or chloride of gold.Aids to Forensic Medicine and Toxicology
W. G. Aitchison Robertson