- Arch - A fingerprint pattern in which the ridge pattern originates from one side of the print and leaves from the other side.
- Core - A center of a loop or whorl
- Delta - A triangular ridge pattern with ridges that go in different directions above and below a triangle.
- Fingerprint - An impression left on any surface that consists of patterns made by the ridges on a finger.
- Latent fingerprint - A hidden fingerprint made visible through the use of powders of other techniques.
- Loop - A fingerprint pattern in which the ridge pattern flows inward and returns in the direction of the origin.
- Minutiae - The combination of details in the shapes and positions of ridges in fingerprints that make each unique; also called ridge characteristics or "Galton details."
- Patent fingerprint - A visible fingerprint that happens when fingers with blood, ink, or some other substance on them touch a surface and transfer the pattern of their fingerprint to that surface.
- Plastic print - A three-dimensional fingerprint made in soft material such as clay, soap, or putty.
- Ridge pattern - The recognizable pattern of the ridges found in the end joints of fingers that form lines on the surface of objects in a fingerprint. They fall into three categories: arches, loops, or whorls.
- Ten card - A form used to record and preserve a person's fingerprints.
- Whorl - A fingerprint pattern that resembles a bull's-eye pattern.