Exam: TOEFL

Definition: Relating to a condition where there is a reduced blood flow to a part of the body, often leading to a lack of oxygen in that area.

Example: The patient was diagnosed with ischemic heart disease, which affects the blood supply to the heart.

Definition: Relating to a part of the pelvis called the ischium, which is located at the lower back of the hip bone.

Example: The ischial tuberosity is an important landmark for various muscles in the body.

Definition: The lowest bone in each side of the pelvis, which supports the weight of the body when sitting and helps form the hip joint.

Example: The ischium is an important part of the pelvic structure in humans and many animals.

Definition: A line on a weather map that connects places with the same atmospheric pressure.

Example: The meteorologist pointed out the isobars on the weather map to explain the pressure changes.

Definition: A line on a map that connects points that have the same depth of water, showing how deep the water is in different areas.

Example: The sailor used the isobath to navigate through the shallow waters safely.

Definition: A type of hydrocarbon that is a specific form of butane, commonly found in natural gas and used as a fuel.

Example: Isobutane is often used in lighters and as a refrigerant.

Definition: A type of hydrocarbon group that comes from isobutanol, often used in chemical processes.

Example: Isobutyl is commonly used in the production of various chemicals and plastics.

Definition: A type of gaseous hydrocarbon used in the production of butyl rubber and gasoline components.

Example: Isobutylene is an important chemical in the manufacturing of various rubber products.

Definition: Having the same amount of calories as something else.

Example: The two diets are isocaloric, providing the same energy intake.

Definition: A type of chromosome that has two identical arms because one arm has been lost and replaced by a copy of the other arm.

Example: The presence of an isochromosome can lead to genetic disorders.