credit card or ATM card

[emsr2d2]

Veered off course means wandered off topic.

It was used because ems chose to use a metaphor for stylistic effect.

Rover

I did?! And I didn't even know that's what I'd done. God, I'm good!!

[Innocent Fairy]

You can't learn about English in a vacuum. Often culture explains language and vice versa.

Why do you use double u in the word vacuum? Is there any more words in English in which double u is used?

[SoothingDave]

That's how it's spelled. Don't ask me why. I am not aware of any other words that have "uu" in them.

[5jj]

Why do you use double u in the word vacuum?

That's how we spell /vækjuəm/

[Innocent Fairy]

That's how we spell /vækjuəm/

Was my question grammatically correct?
Is there any more words in English in which double u is used?

Did I use the verb "is" correctly or should I have used "are"? Also please tell me if we use singular or plural after the word double such as double u or double u's?

[5jj]

Was my question grammatically correct?
Is Are there any more words in English in which double u is used?
Also please tell me if we use singular or plural after the word "double" such as "double u" or "double u's"?

Double u.

[Innocent Fairy]

Double u.

Thank you so very much, sir.

[Raymott]

That's how it's spelled. Don't ask me why. I am not aware of any other words that have "uu" in them.

Continuum, residuum.