Exam: IELTS

Definition: A very small unit of time that is one quadrillionth of a second.

Example: Scientists can measure events that happen in a femtosecond, such as the movement of electrons.

Definition: A large bone in the leg that connects the hip to the knee, known as the thighbone in humans and other vertebrates.

Example: The doctor explained that a fracture in the femur can be very serious due to its size and location.

Definition: The sport or activity of fighting with swords, especially foils, épées, or sabers, where participants score points by touching their opponent with the blade.

Example: She has been practicing fencing for several years and recently won a local competition.

Definition: To try to take care of oneself or to resist something without help from others.

Example: During the storm, we had to fend for ourselves until help arrived.

Definition: An effort or attempt made to protect oneself or to deal with a difficult situation.

Example: He had to make a fend against the harsh criticism he received.

Definition: To protect oneself from something harmful or unpleasant, often by keeping it away or repelling it.

Example: She had to fend off the aggressive dog that approached her.

Definition: A strong pain-relieving medication that is similar to morphine and is often used in medical settings, especially for surgery and chronic pain.

Example: The doctor prescribed fentanyl to help manage the patient's severe pain after surgery.

Definition: In music, it refers to the extension of a note, chord, or rest beyond its usual duration, allowing the performer to hold it longer than indicated.

Example: The conductor signaled for a fermata, allowing the orchestra to hold the final note for a dramatic effect.

Definition: To be in a state of excitement or agitation, or to undergo a chemical process where sugars are converted into alcohol or acids by microorganisms.

Example: The mixture will ferment if left at room temperature for a few days.

Definition: A state of excitement or change, often involving a lot of activity or development.

Example: The political ferment in the country led to significant changes in leadership.

Definition: To cause a substance, especially food or drink, to undergo a chemical change that produces alcohol or gas.

Example: The brewer decided to ferment the mixture for several weeks to enhance the flavor.

Definition: Capable of undergoing fermentation, which is a process where sugars are converted into alcohol or acids by microorganisms.

Example: The yeast used in brewing is fermentable, allowing it to produce alcohol from sugars.

Definition: A process where sugars are converted into simpler substances like alcohol or acids, often involving yeast or bacteria, and usually occurs without oxygen.

Example: The fermentation of grapes is essential for making wine.

Definition: Relating to a process that causes substances to change chemically, often producing gas or alcohol.

Example: The fermentative process is essential in making bread rise and in brewing beer.