This left her without a distinctive signature, but she could have signed her name "Pioneer."

We have sensitive devices able to read and record that distinctive electrical 'signature,' and you'll find them all over the place.

Like other family groups, they have their own distinctive vocal signature.

That process does not give off a distinctive signature.

I do know that I carry her distinctive genetic signature.

It is also someone who fills a niche and has a distinctive signature, something powerful and compelling to say.

By analyzing the design and explosive power of a bomb, investigators hope its distinctive signature will help them track the suspects.

They said that design gave the bomb a distinctive signature that pointed to Iraqi sponsorship of the attack.

In contrast, scientists say the distinctive seismic signature of the event clearly makes it natural in origin.

To judge from recordings, Arrau did not acquire a highly distinctive interpretive signature until he was in his 60's.