kvadratni

1. (of units of area) square
   Stan ima pedeset kvadratnih metara. — The flat is fifty square metres.
   Cena po kvadratnom metru stalno raste. — The price per square metre keeps rising.
2. (in mathematics) square; quadratic
   Kvadratni koren iz devet je tri. — The square root of nine is three.
   Sutra imamo kontrolni iz kvadratnih jednačina. — Tomorrow we have a test on quadratic equations.
3. (of the shape of something) square-shaped
   Soba je kvadratnog oblika. — The room is square in shape.
   U kuhinji imamo mali kvadratni sto. — We have a small square table in the kitchen.

Kvadratni is the definite form of the adjective kvadratan. Before a noun kvadratni is usually used (kvadratni sto "the square table", kvadratni metar "square metre"), while as a predicate the indefinite form kvadratan is used (sto je kvadratan "the table is square").