u 1 l 1 t 1 r 1 a 1 s 1 o 1 n 1 o 1 g 2 r 1 a 1 p 3 h 4 i 1 e 1 s 1
17 letters · 23 points in Scrabble
Meaning
noun using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram); commonly used to observe fetal growth or study bodily organs