vermicelli vs. spaghetti

a kind of pasta in the form of long, slender, solid threads, resembling spaghetti but thinner. Compare macaroni ( def 1 ).

a white, starchy pasta of Italian origin that is made in the form of long strings, boiled, and served with any of a variety of meat, tomato, or other sauces.

Electricity. an insulating tubing of small diameter into which bare wire can be slipped.