How many letters does the top answer for “a surgical instrument that is used to dilate or distend an opening or an organ” have?

The most common answer is dilater (7 letters).

Crossword clue: a surgical instrument that is used to dilate or distend an opening or an organ

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

dilater 7 letters wn-def

a surgical instrument that is used to dilate or distend an opening or an organ

dilator 7 letters wn-def

a surgical instrument that is used to dilate or distend an opening or an organ