mordant

1. A substance used to treat leather or other materials before dyeing;
   Aids in dyeing process (synset 114979169)
   is a type of: color, coloring material, colour, colouring material - any material used for its color
   subtypes:

   • chrome alum - a violet-colored salt used in hide tanning and as a mordant in dyeing
   • antimony potassium tartrate, tartar emetic - a poisonous colorless salt used as a mordant and in medicine
   • sodium bichromate, sodium dichromate - a red-orange salt used as a mordant

1. Harshly ironic or sinister (synset 302086637)
   "black humor"; "a grim joke"; "grim laughter"; "fun ranging from slapstick clowning ... to savage mordant wit"
   similar to: sarcastic - expressing or expressive of ridicule that wounds
   same as: black, grim
2. Of a substance, especially a strong acid;
   Capable of destroying or eating away by chemical action (synset 300590069)
   similar to: destructive - causing destruction or much damage
   same as: caustic, corrosive, erosive, vitriolic

Other Searches

• Rhyme: Dillfrog, RhymeZone
• Definition: Wiktionary, Dictionary.com, Wikipedia, Merriam-Webster, WordNet, Power Thesaurus
• Imagery: Google, Flickr, Bing