An A-band contains the entire length of a single thick filament.

Synthetic gut is nylon, nearly always composed of a single filament.

This flow also causes a single filament, from the inner ball to the point of contact, to become brighter and thinner.

Recent data suggest that many current paths, rather than a single filament, are probably involved.

The ovipositor appears as a single filament, but it comprises three filaments.

This middle filament looks like a single filament, but is made of two parts.

Concentrating on a single filament, she found herself on a silver road.

Between his fingers he held a single filament of hair.

And that sounds right: clean, pure, with a single filament of opalescent darkness running through it.

He now noticed that the second smaller circle had a single fine filament extending into space, not unlike a tail.