That's too abstract." In the Bilski case, the court said patent examiners could consider what is known as the machine-or-transformation test.

VOA: special.2010.07.16

In its ruling, the court decided against the patent only because the idea was too abstract.

VOA: special.2010.07.16

Some critics say that Pop Art was a reaction to Abstract Expressionism.

VOA: special.2010.09.05

Many of them had begun to paint pictures they called "abstract."

VOA: special.2011.03.13

In the nineteen fifties, the abstract expressionist style became very popular.

VOA: special.2011.03.13

Jackson Pollock helped create the art movement called Abstract Expressionism.

VOA: special.2010.03.24

Many works by B.J.Adams are abstract.

VOA: special.2009.11.04