Exam: IELTS

Definition: Relating to a condition in the body where there is too much base (alkali) and not enough acid, which can affect the balance of fluids and electrolytes.

Example: The patient was diagnosed with an alkalotic condition due to excessive vomiting.

Definition: A type of chemical compound that consists only of carbon and hydrogen atoms, where the carbon atoms are connected by single bonds. These compounds are saturated, meaning they contain the maximum number of hydrogen atoms possible for the number of carbon atoms.

Example: Methane is the simplest alkane, consisting of one carbon atom and four hydrogen atoms.

Definition: A type of chemical compound that consists of carbon and hydrogen atoms, characterized by having at least one double bond between carbon atoms. These compounds are part of a larger group of hydrocarbons and are known for being unsaturated.

Example: Ethylene is the simplest alkene, consisting of two carbon atoms connected by a double bond.

Definition: A type of chemical compound that consists of carbon and hydrogen, characterized by having at least one triple bond between carbon atoms.

Example: Acetylene is the simplest alkyne, consisting of two carbon atoms connected by a triple bond.

Definition: A thin, membranous sac that forms in the embryos of mammals, birds, and reptiles. It plays a key role in developing the umbilical cord and placenta in mammals.

Example: The allantois plays a crucial role in the development of the embryo by facilitating nutrient and waste exchange.

Definition: To calm someone down or make their worries less intense; to reduce something that is causing discomfort or pain.

Example: The doctor tried to allay the patient's concerns about the surgery.

Definition: To claim that something is true, often without providing proof or evidence.

Example: The lawyer alleges that her client was wrongfully accused.

Definition: Describing something that is claimed to be true or to have happened, but not yet proven or confirmed.

Example: The alleged thief was caught on camera, but he denied the accusations.

Definition: A person who claims that something is true, especially in a legal context.

Example: The alleger presented evidence to support their claims in court.

Definition: A strong feeling of loyalty or commitment to a person, group, or cause, often related to a country or government.

Example: He pledged his allegiance to the flag during the ceremony.