Exam: TOEFL

Definition: A long, flexible medical instrument used to look inside the colon and take tissue samples if needed.

Example: The doctor used a colonoscope to check for any abnormalities in the patient's colon.

Definition: A medical procedure that allows a doctor to look inside the colon using a special instrument called a colonoscope.

Example: The doctor recommended a colonoscopy to check for any abnormalities in the patient's colon.

Definition: To change in appearance by taking on a different hue or shade.

Example: The leaves color beautifully in the fall.

Definition: A quality of light that is perceived by the eye, often described by names such as red, blue, green, etc.

Example: The artist used bright colors to make the painting more lively.

Definition: To change or add a color to something, or to give it a particular quality or character.

Example: She decided to color her hair a bright red.

Definition: Not a valid English word.

Example: Not available.

Definition: A substance that is used to add color to something, such as a dye or pigment.

Example: The artist used a natural colorant to create vibrant paintings.

Definition: A type of vocal music or singing that features elaborate and decorative melodies, often with rapid notes and trills, typically performed by a soprano.

Example: The coloratura soprano dazzled the audience with her intricate vocal runs and trills during the performance.

Definition: This word describes something that is connected to both the colon and the rectum, often used in medical contexts.

Example: Doctors often screen for colorectal cancer in older adults.

Definition: Having a hue or shade; not lacking color.

Example: She chose a colored pencil to draw the picture.

Definition: A term used to refer to a person who is not white, often considered offensive. It can also describe someone of mixed racial descent or belonging to specific racial groups.

Example: In the past, the term 'colored' was used to describe people of African descent in the United States.

Definition: Full of different colors or having a lot of variety and interest.

Example: The garden was colorful with flowers of every shade.

Definition: In a way that is bright and full of colors, or in a lively and interesting manner.

Example: The artist painted the walls colorfully, making the room feel vibrant and cheerful.

Definition: A device used to measure the concentration of a substance in a solution by comparing its color to standard colors.

Example: The scientist used a colorimeter to analyze the concentration of the dye in the solution.