Exam: TOEFL

Definition: A type of metallic ore that contains niobium and tantalum, often used in electronics and other industries.

Example: Coltan is essential for making capacitors in mobile phones.

Definition: Full of energy and playful, often in a way that is lively and spirited.

Example: The coltish puppy jumped around the yard, chasing after butterflies.

Definition: In a playful or energetic way, often associated with the behavior of a young horse.

Example: The children danced coltishly around the garden, full of energy and joy.

Definition: A vertical structure or feature that can serve various purposes, such as supporting a building, organizing information in a table, or appearing regularly in a publication like a newspaper.

Example: The newspaper features a weekly column on health and wellness.

Definition: A person who writes regular articles for a newspaper or magazine, often expressing their opinions on various topics.

Example: The columnist shared her thoughts on the latest political developments in her weekly article.

Definition: A state of deep unconsciousness where a person cannot respond to their surroundings, often due to injury or illness.

Example: After the accident, he was in a coma for several weeks.

Definition: In a state of deep unconsciousness or lacking responsiveness, often due to a medical condition.

Example: After the accident, he was comatose for several weeks before waking up.

Definition: Relating to fighting or warfare, often used to describe equipment or personnel that are used in battles.

Example: The soldiers wore special combat gear to protect themselves during the mission.

Definition: To take part in a fight or struggle, often in a military context.

Example: The soldiers will combat against the enemy forces.

Definition: A type of fighting or struggle, often involving weapons, between people or groups.

Example: The soldiers prepared for combat as the enemy approached.

Definition: To fight against someone or something, especially in a battle or conflict.

Example: The soldiers were trained to combat enemy forces effectively.

Definition: Relating to or engaged in fighting or conflict, especially in a military context.

Example: The combatant forces clashed on the battlefield during the war.

Definition: A person or vehicle that participates in a fight or battle.

Example: The combatants faced each other on the battlefield, ready for the fight.

Definition: A person who fights or struggles against something, often in a physical or metaphorical sense.

Example: The combater showed great bravery in the face of danger.