kubická

Kubický is a Czech adjective meaning cubic or cubical, derived from the noun cube (kubus) with the adjectival suffix -ický. It is used to describe objects that have the shape of a cube or that pertain to cubes, and more broadly to denote third-degree or cubic relationships in mathematics and related fields.

In mathematics and geometry, kubický describes entities of degree three. Examples include kubický polynom (a polynomial of degree three), kubická rovnice (a cubic equation), and kubická funkce (a cubic function), such as y = ax^3 + bx^2 + cx + d. In algebraic geometry and related areas, kubický can refer to a cubic form or to a cubic curve (kubická křivka). In computer graphics, kubická Bézierova křivka is a common term for a cubic Bezier curve used in curve design and animation.

In measurement and crystallography, kubický is used with units of volume and with crystallographic terminology. For example, kubický metr (cubic metre) and kubický centimetr (cubic centimetre) denote volume. The kubický systém krystalů (cubic crystal system) is a fundamental category in crystallography.

Kubický is also a Czech-language surname. As a surname, it occurs among people of Czech origin.

In sum, kubický functions as the Czech adjective linking cube-related shapes and third-degree concepts, and it remains a standard term in science, engineering, and everyday measurement.