Exam: Cambridge English: C1 Advanced (CAE)

Definition: Referring to something that is single or unpaired, not part of a pair.

Example: The azygos vein is an important structure in the human body that is not paired with another vein.

Definition: In anatomy, a structure that is not paired with another similar structure, which is uncommon since most anatomical features are symmetrical.

Example: The azygos vein plays an important role in the circulatory system by draining blood from the thoracic wall.

Definition: Referring to something that exists alone or individually, not part of a pair, such as a vein or muscle.

Example: The azygous vein is an important structure in the human body that runs along the spine.

Definition: A degree awarded by universities and colleges to students who have completed undergraduate studies, or a formal speech given to graduates during a graduation ceremony.

Example: She received her baccalaureate in biology after four years of hard work.

Definition: A type of bacteria that is usually rod-shaped and can cause diseases or be found in various environments.

Example: The scientist studied the bacillus to understand how it causes infections.

Definition: The process of radiation or particles being deflected back in the opposite direction after hitting a surface or medium, often at angles greater than 90 degrees from their original path.

Example: The backscatter from the surface helped scientists analyze the composition of the material.

Definition: The process where radiation is scattered back from a surface after hitting it.

Example: Backscattering is important in understanding how materials interact with radiation.

Definition: Not a valid English word.

Example: Not available.

Definition: To move the cursor or typewriter back by pressing a specific key.

Example: I accidentally typed the wrong word, so I had to backspace to correct it.

Definition: A key on a keyboard that deletes the character to the left of the cursor.

Example: I accidentally typed the wrong letter, so I hit the backspace key to remove it.

Definition: Relating to the presence of bacteria in the blood.

Example: The patient was diagnosed as bacteremic after the blood tests showed bacteria in his bloodstream.

Definition: Relating to a substance that kills bacteria.

Example: The doctor prescribed a bactericidal medication to treat the infection.

Definition: A substance that kills bacteria.

Example: The doctor prescribed a bactericide to treat the infection.