visual effect
n. C / U B2 Upper Intermediate
n. an image or clip created for a movie or video using computers and special tools. You use these to show things that are impossible or too expensive to film in real life.
n. an image or sequence of images created, manipulated, or enhanced digitally for film, television, or video production. Often distinguished from special effects, which are created physically on set during filming.
The dragon in the movie is a digital visual effect.
Modern blockbusters rely heavily on visual effects to create believable alien worlds that would be impossible to build as physical sets.
The seamless integration of a computer-generated monster with the physical environment represents a significant milestone in the evolution of cinema visual effects.