'without (a) trace' vs 'without traces'

[Tamara]

Hi

Could you say whether expressions 'without (a) trace' and 'without traces' mean (to you) exactly the same?
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[Conchita]

Both 'without a trace' and 'without traces' have basically the same meaning (to me). Yet the singular form seems to be preferred, especially in expressions like 'she's vanished without a trace', meaning 'leaving nothing behind to show where she has gone'. Also, 'without a trace of sorrow', for example.

But: 'contains traces of sugar/nuts, etc.', rather than 'a trace'. Sometines, both can be used: 'there's no trace/there're no traces of alcohol in the blood.

[Tamara]

Thanks, Conchita.

The reason I asked was that to me ‘a trace’ (in this without-context) has – mainly - the meaning ‘a path’ (a track?),
whereas ‘traces’ can be just ‘a set’ (of traces. Signs, evidence, whatever).

So, to me ‘He disappeared without a trace’ and ‘disappeared without traces’ have a bit different meanings.
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It’s impossible to learn swimming without entering the water…

[Alan]

Hi,

As Conchita has said, the usual phrase is 'without a trace' suggesting that there no sign or indication where/how someone/thing has disappeared (to). As soon as you come to 'traces' it takes on a different meaning in the physical sense of sign. To illustrate:

At first there was a belief that she had disappeared without a trace but further investigations showed that there were traces of blood on the garden path.

To be continued .... Agatha Christie

A
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[Yankee]

[Tamara]

Thanks, Alan. Your and Conchita's explanations of the general use (‘without a trace’) are crystal-clear.
And Agatha Christie is highly convincing, as usual.

Amy, you’re right.
In Computing:

[Alan]

Hi,

Just thought I'd a bit more on 'trace'. Airplanes can trace a pattern in the sky,you can trace your ancestors, you can trace an outline through thin paper. In my childhood using tracing paper was an activity indulged in before the advent of all the distractions of the computer age.

A
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[Tamara]

Hi Alan,

Thanks for the excursion. I'm not that glaringly young and know the tracing paper - not just by hearsay