t 1 r 1 i 1 c 3 h 4 l 1 o 1 r 1 o 1 e 1 t 1 h 4 y 4 l 1 e 1 n 1 e 1
17 letters · 28 points in Scrabble
Meaning
noun a heavy colorless highly toxic liquid used as a solvent to clean electronic components and for dry cleaning and as a fumigant; causes cancer and liver and lung damage
origintri- + chloro- + ethylene (“ethyl (“eth- + -yl”) + -ene”)
Etymology from Wiktionary, CC BY-SA 3.0