r 1 a 1 r 1 e 1 f 4 a 1 c 3 t 1 i 1 o 1 n 1
11 letters · 16 points in Scrabble
Meaning
noun a decrease in the density of something
originFrom Middle French raréfaction. By surface analysis, rarefy + -faction.
Etymology from Wiktionary, CC BY-SA 3.0
Words from these letters
- refraction 15
- cafetoria 14
- fornicate 14
- infractor 14
- aircraft 13
- craftier 13
- fraction 13
- infector 13
- rotiferan 12
- carfare 12
- coinfer 12
- conifer 12