The quality of being hard.
An instance of this quality; hardship.
The resistance to scratching, cutting, indentation or abrasion of a metal or other solid material.
The penetrating ability of electromagnetic radiation, such as x-rays; generally, the shorter the wavelength, the harder and more penetrating the radiation.
The measure of resistance to damage of a facility, equipment, installation, or telecommunications infrastructure when subjected to attack.
A measure of how hard a material is
The quantity of calcium carbonate dissolved in water, usually expressed in parts per million (ppm).
A mechanical device intended to make a task easier.
A penis, notably with a sexual or erotic connotation.
A person or group which is used or controlled, usually unwittingly, by another person or group.
Something to perform an operation; an instrument; a means.
Any piece of equipment used in a profession, e.g. a craftman's tools.
A gun.
A piece of software used to develop software or hardware, or to perform low-level operations.
An obnoxious or uptight person.
To equip with tools.
To work on or shape with tools, e.g., hand-tooled leather.
To work very hard.
To intentionally attack the ball so that it deflects off a blocker out of bounds.
To travel in a vehicle; to ride or drive.
To put down another person (possibly in a subtle, hidden way), and in that way to use him or her to meet a goal.