The "lead" of the pencil is actually a mixture of graphite, clay and wax with a binder that seals the lead in the wooden shaft.

When a book is covered in cloth of a good dark tint it may be allowed to remain unbound, but the primrose and lilac hues soon call out for the aid of the binder.

Fancy seeing you here!" She stood at the top of the steps to the library, clutching a binder, grinning down at him. "Emerging blinking into the sunlight! After last night, I thought we'd see neither hide nor hair of you for, oh, I don't know, at least a couple of days!" "Don't start," he sighed, trudging up the steps past her.

There were a pile of binders on the desk.

Mom, I need new binders to organize my work.

Tom picked up a binder.

I use a three-ring binder for all my subjects instead of a notebook for each one.

And they brought us whole binders full of women.