Tartness

• (n.) The quality or state of being tart.
Found on http://thinkexist.com/dictionary/meaning/tartness/

tartness

noun a sharp sour taste
Found on https://www.encyclo.co.uk/local/20974

Tartness

Tart'ness noun The quality or state of being tart. Syn. -- Acrimony; sourness; keenness; poignancy; severity; asperity; acerbity; harshness. See Acrimony .
Found on http://www.encyclo.co.uk/webster/T/13
No exact match found