contrast

B1 · Intermediate Uncountable noun

n. the difference between the light and dark parts of a picture or screen.

n. the scale of difference between the darkest and lightest tones in an image or the degree of color differentiation.

“I adjusted the contrast on my monitor because the image looked too grey.”

“The photographer increased the contrast during post-processing to make the architectural details stand out against the sky.”

C1 · Advanced Uncountable noun Medicine Technical

n. a substance used in medical scans to make parts of the body show up clearly.

n. a substance, such as iodine or barium, swallowed or injected to increase the visibility of internal structures in medical imaging.

“The doctor injected a contrast dye before the CT scan to see my veins better.”

“The radiologist noted that the patient had a mild allergic reaction to the contrast used during the previous angiogram.”

B2 · Upper Intermediate Academic

v. to look at two things to show how they are different.

v. to compare two or more things in order to emphasize their differences.

“In your essay, you should contrast the two main characters in the book.”

“The study contrasts the educational outcomes of urban students with those of their rural counterparts over a ten-year period.”

B2 · Upper Intermediate

v. to look or be very different from something else nearby.

v. to exhibit a striking difference when placed in proximity to something else.

“Her bright red hair contrasted sharply with her white dress.”

“The modern glass skyscraper contrasts uncomfortably with the surrounding eighteenth-century stone cottages.”