Exam: IELTS

Definition: A type of hormone made by fat cells that helps control hunger and body weight by signaling the brain to reduce appetite and increase fat burning.

Example: Leptin levels can affect how hungry you feel after a meal.

Definition: A type of elementary particle that does not experience strong forces and includes particles like electrons and neutrinos.

Example: Electrons and neutrinos are examples of leptons, which play a crucial role in particle physics.

Definition: A disease caused by bacteria that can affect both animals and humans, often leading to symptoms like fever and jaundice.

Example: Leptospirosis can be transmitted to humans through contact with contaminated water or soil.

Definition: A specific area of damage or abnormal change in a part of the body, often due to injury or disease.

Example: The doctor examined the lesion on the patient's skin to determine its cause.

Definition: A lesion is an area of tissue that has been damaged or abnormal, often due to injury or disease.

Example: The doctor explained that the lesion on the patient's skin needed further examination.

Definition: Having a smaller amount or degree compared to something else.

Example: She has less time to study than her classmates.

Definition: To a smaller extent or degree; not as much as something else.

Example: She is less interested in sports than her brother.

Definition: A smaller amount or quantity of something, often used to compare with a larger amount.

Example: He has less money than he did last year.

Definition: A word used to indicate a smaller amount or degree of something, often in comparison to another amount.

Example: I have less money than I did last month.

Definition: To become smaller in amount, degree, or intensity; to decrease.

Example: The pain will lessen over time.

Definition: To make something smaller in amount, degree, or size.

Example: The doctor advised me to lessen my sugar intake for better health.

Definition: Reduced in amount, degree, or intensity.

Example: The pain has lessened since I took the medicine.

Definition: To make something smaller in amount, degree, or size.

Example: The new policy has lessened the amount of waste produced by the factory.

Definition: A period of teaching or instruction, often in a classroom setting, where students learn about a specific subject or skill.

Example: Today, we have a lesson on how to solve math problems.

Definition: To teach someone something or to give them a lesson about a particular subject or behavior.

Example: The teacher decided to lesson the students on the importance of honesty.

Definition: Used to express a fear or concern that something undesirable might happen.

Example: She whispered lest anyone overhear her plans.

Definition: To allow someone to use or have something, often in a formal or legal way.

Example: They decided to let the apartment to a new tenant.

Definition: An obstacle or hindrance that prevents progress or action; in sports, a situation in which a point must be replayed due to an invalid stroke.

Example: The player served again after the referee called a let during the match.

Definition: To allow someone to do something or to give permission for something to happen.

Example: I let my friend borrow my book for the weekend.