spektrálních

Spektrálních is a Czech inflected form of the adjective spektrální, meaning spectral or related to a spectrum. It is used to describe nouns in contexts dealing with spectra, such as light spectra, spectral lines, or spectral properties of materials. Like other Czech adjectives, spektrálních changes its ending to agree with the noun it modifies in gender, number, and case; it is most commonly seen in genitive plural or other inflected forms in technical writing.

In practice, spektrálních appears in scientific and technical Czech texts across fields such as physics, astronomy, chemistry, and optics. Common phrases include spektrálních čar (spectral lines) and spektrálních vlastností (spectral properties). The base form spektrální signals the relationship to a spectrum, and spektrálních is simply one of its many possible endings used to maintain grammatical harmony within a sentence.

Etymology traces spektrální to the term spektrum (spectrum), with the Czech suffix -ální forming an adjective. The word reflects long-standing borrowing and adaptation of Latin and European technical vocabulary into Czech, resulting in a cohesive set of terms for describing spectral phenomena.

See also: spektrum, spektrální čára, spektrální analýza.