oarmerad

Oarmerad is a Swedish adjective meaning not armored or lacking armor, protection, or reinforcement. It is used in technical contexts to distinguish objects or materials that do not have protective armor or internal reinforcement from those that are armored or reinforced. The term is formed with the negating prefix o- attached to armerad, which comes from armera, to arm or reinforce.

In construction, oarmerad is commonly encountered in the compound oarmerad betong, referring to unreinforced concrete. This material relies on its own compressive strength and is weaker in tension and bending, making it unsuitable for certain structural elements unless reinforced. Oarmerad betong is typically found in simple or non-load-bearing components, or in older structures where reinforcement has not been added.

In a security or military context, oarmerad may describe equipment or vehicles lacking armor, indicating reduced protection against ballistic or blast threats. The term is contrasted with armerad, meaning armored or reinforced.

Etymology and usage notes: oarmerad derives from armerad with the standard Swedish negating prefix o-. The term is primarily used in engineering, construction, and security discussions to specify the absence of armor or reinforcing materials. See also reinforced concrete and armored protection literature for related concepts.