u 1 l 1 t 1 r 1 a 1 c 3 e 1 n 1 t 1 r 1 i 1 f 4 u 1 g 2 e 1 s 1
16 letters · 22 points in Scrabble
Meaning
noun a high speed centrifuge used to determine the relative molecular masses of large molecules in high polymers and proteins
verb subject to the action of an ultracentrifuge