Longman Dictionary of Contemporary English
high-definition
adjective
COLLOCATIONS FROM CORPUS
■ NOUN
television
▪ The day-long seminars will be broadcast through high-definition television on to large theater screens in 20 cities.
▪ The first high-definition televisions are targeted for sale by late 1998, Taylor said.
EXAMPLES FROM CORPUS
▪ Only the people seemed distinct, each individual carved out in the lemon-whiteness like moving, high-definition sculptures.
▪ The day-long seminars will be broadcast through high-definition television on to large theater screens in 20 cities.
▪ The first high-definition televisions are targeted for sale by late 1998, Taylor said.
▪ Trilobites were the first creatures on earth to develop high-definition eyes.
Wikipedia
High-definition
High-definition, sometimes abbreviated as Hi-def or HD, commonly refers to an increase in display or visual resolution over a previously used standard.
Usage examples of "high-definition".
A deep shelf at waist height ran all the way around the dome's perimeter, loaded with expensive equipment: black metal cabinets, high-definition displays, power lights glowing, cooling fans murmuring.