A Frisian language, or group of languages, spoken in coastal Germany and some parts of Denmark.

A person belonging to or descended from the people.

Pertaining to the North Frisians.

The direction northwards along the grid lines of a map projection. The grid north for a particular map is usually chosen so that it deviates very little from the true north.

At a given point on Earth's surface, the direction of Earth's magnetic field, i.e. the direction into which the compass needle of a magnetic compass points.

(databases) Any of various forms of a relational database providing criteria for determining a table's degree of vulnerability to logical inconsistencies and anomalies.

(logic) The form of a boolean formula that the formula has if the formula is a disjunction of conjunctions of literals, such as “(A and B and C) or (D and E and not F)”.

(logic) The form of a boolean formula that the formula has if the formula is a conjunction of disjunctions of literals, such as “(A or B or C) and (D or E or not F)”.

plural of northern hawk owl

A species of spruce native to Europe and naturalized in temperate northeastern North America, Picea abies.