Definition: Describing something that is enclosed or protected by a sheath or case.

Example: The thecate structure of the organism helps it survive in harsh environments.

Definition: Referring to a type of animal whose teeth are set in sockets in the jaw, similar to how modern mammals have their teeth.

Example: The thecodont structure of the dinosaur's teeth allowed for better chewing and processing of food.

Definition: An extinct group of early reptiles that had teeth set in sockets and are believed to be ancestors of dinosaurs and birds.

Example: The thecodont was an important part of the evolutionary history leading to modern reptiles.

Definition: A bitter substance found in chocolate that has effects like stimulating the heart and helping with urine production.

Example: Many people enjoy chocolate not only for its taste but also for the theobromine it contains, which can boost energy levels.

Definition: A tool used by surveyors that has a telescope and can rotate to measure angles in different directions.

Example: The surveyor used a theodolite to accurately measure the angles of the land.

Definition: A colorless, bitter compound found in tea leaves, used in medicine to help open airways in the lungs.

Example: The doctor prescribed theophylline to help manage my asthma symptoms.

Definition: A statement or idea in mathematics or logic that has been proven to be true based on certain assumptions or principles.

Example: The Pythagorean theorem is a fundamental principle in geometry.

Definition: Relating to a theorem, which is a statement that has been proven based on previously established statements or principles.

Example: The theorematic approach to solving the problem helped clarify the underlying principles.

Definition: Related to ideas or concepts that are not based on practical experience or evidence.

Example: The scientist presented a theoretic model to explain the phenomenon.

Definition: Relating to ideas or concepts rather than practical applications; often based on theory or speculation.

Example: The theoretical framework of the study helped to explain the observed phenomena.

Definition: In a way that is based on theory rather than practical application or experience.

Example: The project is theoretically sound, but we need to test it in real-world conditions.