Käämit

Käämit is the plural form of the Finnish noun käämi. The term has two primary domains of use in Finnish: in electrical engineering and in textile or fiber industries. In electrical contexts, käämi refers to a coil or winding—an assembly of wire wound around a core to create inductance, transform voltage, or shape magnetic fields. In textiles and fiber processing, käämi denotes a skein or coil of yarn or thread prepared for spinning, weaving, knitting, or sale. Thus, käämit can describe both electronic windings and skeins of yarn, depending on the context.

Etymology and usage notes: The word käämi is generally linked to the idea of winding or wrapping, from a Finnish root related to kääriä, meaning “to wrap” or “to coil.” The noun form käämi names a tangible object produced by winding, and the plural käämit refers to multiple such objects. In practice, technical literature distinguishes the two senses by context, often with qualifiers such as sähköinen käämi (electrical coil) or langankäämi (yarn skein).

In electrical engineering, käämit are characterized by properties such as material (copper or other conductive wires), insulation, number of turns, gauge, and core material, all of which influence inductance, resistance, and magnetic coupling. In textiles, käämit are described by fiber type, twist, weight, length, and finishing, affecting yarn quality and suitability for specific textile processes.

See also: käämi (coil); skein; yarn; transformer windings.