Exam: TOEFL

Definition: Relating to the branch of mathematics that deals with the relationships between the angles and sides of triangles.

Example: The trigonometrical functions are essential for solving problems in geometry and physics.

Definition: A part of mathematics that focuses on the relationships between the angles and sides of triangles, including calculations involving trigonometric functions.

Example: In high school, I learned about trigonometry and how to calculate the angles of triangles.

Definition: A set of three letters that appear together in a word, often representing a single sound or combination of sounds.

Example: In the word 'through', the letters 'ough' form a trigraph.

Definition: A type of chemical compound that has three halogen atoms instead of three hydrogen atoms in a methane molecule. These compounds can form when chlorine is added to water to kill germs, especially when organic materials are present.

Example: Trihalomethanes can be found in drinking water that has been treated with chlorine.

Definition: A type of hybrid organism that has inherited different genetic traits from two parents at three specific locations in its DNA.

Example: The trihybrid plant showed a combination of traits from both parent plants, making it unique.

Definition: Relating to or involving three sides, countries, or parties.

Example: The trilateral agreement was signed by the three nations involved.

Definition: Able to speak or use three different languages fluently.

Example: She is trilingual, speaking English, Spanish, and French.

Definition: A person who can speak three different languages fluently.

Example: She is a trilingual, able to communicate in English, Spanish, and French.

Definition: Made up of three letters, particularly three consonants, often used in the context of language roots.

Example: In Semitic languages, many words are based on triliteral roots.

Definition: A word or root that consists of three letters.

Example: In Arabic, many words are formed from a triliteral root.

Definition: A concept or system that involves three letters or characters, often used in the context of language or linguistics.

Example: Triliteralism is an important aspect of understanding certain languages that use three-letter roots.

Definition: To make a series of quick, high-pitched sounds, often like a musical note or a bird's call.

Example: The bird began to trill happily in the morning sun.

Definition: A quick, shaking sound made by birds or a rapid vibration in speech, often produced by the tongue. It can also refer to a musical effect where two notes are played in quick succession.

Example: The bird's trill filled the air with a cheerful melody.

Definition: To produce a series of rapid, vibrating sounds, often used in music or speech.

Example: The musician can trill the notes beautifully on the flute.