Definition: The condition of being precise and accurate without any mistakes or errors.

Example: The exactness of her calculations impressed everyone in the class.

Definition: A unit of frequency equal to one quintillion cycles per second.

Example: The new computer processor operates at a speed of 1 exahertz, making it extremely powerful.

Definition: To look at something closely in order to learn more about it or to check its condition.

Example: The doctor will examine the patient to find out what is wrong.

Definition: A widespread rash that often appears on the skin, usually seen in children, often as a symptom of an illness.

Example: The doctor diagnosed the child with an exanthem after noticing the rash on his body.

Definition: A condition where a rash or skin eruption appears, often due to an infectious disease like measles or scarlet fever.

Example: The doctor diagnosed the child with exanthema after observing the rash on their skin.

Definition: Relating to a rash or skin eruption that appears on the body, often as a symptom of a disease.

Example: The doctor noted that the patient had an exanthematic rash, which indicated a possible viral infection.

Definition: Relating to a type of rash or skin eruption that appears on the body, often associated with infectious diseases.

Example: The doctor diagnosed the patient with an exanthematous condition after observing the widespread rash.

Definition: The process in biology where a feature or structure is used for a different purpose than it was originally developed for through evolution.

Example: The wings of some flightless birds are an example of exaptation, as they evolved for different uses than flying.

Definition: To dig or remove earth or other material from a place, often to create a hole or to uncover something.

Example: Archaeologists excavate ancient sites to find artifacts.

Definition: To dig out and remove earth or other materials from a place, often to uncover something buried or to create a hole.

Example: The workers will excavate the site to find ancient artifacts.

Definition: A process of digging or removing earth to create a hole or cavity in the ground.

Example: The excavation revealed ancient artifacts buried beneath the soil.