doubleness
nounUK /ˈdʌbəlnəs/
US /ˈdʌbəlnəs/
The state of being two things or having two parts.
The doubleness of the mirror made it look like there were two of her.
OTHER MEANINGS
2. The quality of being deceptive or saying one thing while meaning another.
There was a doubleness in his smile that made her uneasy.
3. The condition of having two roles or two sides to one's character.
The doubleness of being both a mother and a doctor kept her very busy.
4. The state of being folded or doubled over.
The doubleness of the thick blanket kept him warm all night.