The difference between an observed value and a standard value assumed as true.

plural of absolute personal equation

plural of personal defense weapon

Alternative form of personal defense weapon

a compact fully-automatic or semi-automatic firearm similar to a submachine gun but firing a rifle round

plural of personal defence weapon

A number used to confirm an individual's identity, e.g. when using an ATM or a mobile phone, or when making payment using a credit card or debit card.

Clothing, helmets, goggles, and other garments and equipment designed to protect the wearer's body from injury or infection.

With intimate detail and from a perspective of closeness, sometimes with the implication of intrusiveness or invasion of privacy.

A hypothesized phenomenon by which people tend to perceive that mass media messages have a greater effect on others than on themselves, based on personal biases.