kaksinkertaiset

Kaksinkertaiset is a Finnish adjective in its plural form meaning twofold or double. It describes objects, quantities, or phenomena that occur twice as much or exist in two copies. The word can be used both attributively (kaksinkertaiset tulot) and predicatively (Tulot ovat kaksinkertaiset), and it agrees with the noun in number and case.

Morphology and related forms: The base form is kaksinkertainen. The plural nominative is kaksinkertaiset, the genitive singular is kaksinkertaisen, and the genitive plural is kaksinkertaisten. The adverbial form is kaksinkertaisesti. Finnish adjectives also allow degree forms, such as kaksinkertaisempi (more twofold) and kaksinkertaisin (most twofold), though these are relatively uncommon outside specific stylistic contexts. The noun form kaksinkertaisuus denotes the state of being twofold, and kaksinkertaistaminen refers to the process of making something twofold or doubling it.

Usage and context: Kaksinkertaiset often appears in everyday language to describe doubling in various domains, such as income, quantities, or repetitions. In technical or statistical writing, it can label measurements or comparisons that are twice as large as a reference. The construction is flexible and can be combined with different nouns to indicate doubling or duplication.

Etymology and related terms: The term derives from kaksi (two) and kertainen (fold, times), forming a common Finnish predicate and descriptive pattern. Related terms include yksinkertainen (single), moninkertainen (multiple, numerous), and the noun kaksinkertaisuus or the adverb kaksinkertaisesti.

See also: Finnish adjective morphology, twofold concepts in language, and related quantitative descriptors.