primärer

Primärer is a German adjective meaning primary, first in order or importance, and it is used across disciplines to mark something as the initial or principal element of a system. The term derives from Latin primarius, from primus “first.” In standard German, the base form is primär, and its inflected forms vary with gender, number, and case. The capitalized form Primärer can appear mainly when the word is used as a noun or at the start of a sentence, but in ordinary prose adjectives are written lowercase.

In usage, primär appears in many technical terms as part of compounds. Examples include Primärtumor (primary tumor), Primärschlüssel (primary key) in databases, Primärenergie (primary energy), Primärdaten (primary data), and Primärquelle (primary source). In economics, the primary sector refers to agriculture, mining and forestry—the part of the economy that extracts natural resources. In German-language usage, the term is commonly written as Primärsektor (one word) or as primärer Sektor in context-dependent phrases like ein primärer Sektor.

In research and data collection, Primärdaten denote data collected firsthand, as opposed to Sekundärdaten (secondary data). The term also appears in medical and scientific writing to indicate the original or initial element in a process or study.

Orthography notes: In standard prose, adjectives are lowercase: der primäre Sektor, ein primärer Befund, das primäre Stadium. The form Primärer occurs mainly in capitalized headings or when the adjective is nominalized, or in specialized writing signaling a category label. Overall, primär functions as a versatile descriptor for first-order or initial concepts across domains.