from The Century Dictionary and Cyclopedia
- In chem., pertaining to, existing in, or derived from Equisetum.
Sorry, no etymologies found.
The equisetic composition is done by Shuvayu Shen Majumdar.
It had taken long and hard thought to decide what to use to replace the flea - and lice-killing insecticide made from the equisetic acid she would have extracted with an infusion from the fern.