Use the word 'doubly' in a sentence:

All these questions are hard, but this one was doubly hard.

A number is even if it is divisible by 2. It is doubly even if it is divisible by 4.

A Doubly Desired Orphan - 1911 was released on:

USA: 29 December 1911

when our demand is more than capacity then designer prefers to choose doubly reinforced beam .for example your maximum moment is greater than nominal momentthen doubly reinforced beam is used.

Yes, each node in a doubly linked list contain a link to the previous as well as the next node. That is the definition of the doubly linked list.