Exam: IELTS

Definition: A chemical group made up of two carbon atoms and five hydrogen atoms, often found in organic compounds.

Example: Ethyl alcohol is commonly known as ethanol.

Definition: Describing a substance that has had one or more ethyl groups added to it, often used in chemistry.

Example: The ethylated compound showed different properties compared to its unmodified version.

Definition: To add an ethyl group to a compound, often used in chemistry.

Example: The chemist ethylated the compound to enhance its properties.

Definition: A type of liquid hydrocarbon that is mainly used to make another chemical called styrene.

Example: Ethylbenzene is an important ingredient in the production of polystyrene.

Definition: A colorless gas that is flammable and used in various industries, including the production of organic compounds and as a growth regulator in plants.

Example: Ethylene is commonly used in the agricultural industry to help ripen fruits.

Definition: A colorless gas that is used as a fuel and a chemical building block, often associated with welding and cutting metals.

Example: The welder used ethyne to cut through the steel beams.

Definition: Relating to the cause of a disease or condition.

Example: The doctor studied the etiologic factors that contributed to the patient's illness.

Definition: Relating to the cause or origin of a disease or condition.

Example: The doctor studied the etiological factors that contributed to the patient's illness.

Definition: In a way that relates to the cause or origin of something, especially in medicine or science.

Example: The symptoms were analyzed etiologically to determine their underlying causes.

Definition: The study of the causes or origins of diseases and disorders, or the specific cause of a particular condition.

Example: The doctor explained the etiology of the patient's illness during the consultation.

Definition: The rules and customs that guide polite behavior in social situations.

Example: It's important to follow proper etiquette when dining with others.