Definition: This word describes something that is basic, simple, or not fully developed. It often refers to the early stages of something or to fundamental principles.

Example: The students learned rudimentary math skills before moving on to more advanced topics.

Definition: A type of marine bivalve that lived during the Jurassic and Cretaceous periods, characterized by its box, tube, or ring shape.

Example: Fossils of rudists can be found in many parts of the world, showcasing their unique shapes.

Definition: A type of mollusk that belongs to the family rudistae, known for its unique shell shape and often found in marine environments.

Example: Rudistids were once common in ancient oceans and played a significant role in reef ecosystems.

Definition: The condition or quality of having a rough or wrinkled surface.

Example: The rugosity of the coral reef provides a habitat for many marine species.

Definition: Having a wrinkled or rough surface.

Example: The rugous texture of the tree bark made it difficult to climb.

Definition: Having a surface that is wrinkled or has small folds.

Example: The rugulose texture of the leaf made it feel rough to the touch.

Definition: The first part of the stomach in certain animals, like cows, where food is stored and partially digested before being chewed again.

Example: The cow's rumen is essential for breaking down tough plant materials.

Definition: Relating to the rumen, which is a part of the stomach in some animals, especially ruminants like cows and sheep.

Example: The ruminal bacteria help in breaking down the food that the cow eats.

Definition: To break or burst suddenly, often causing damage or injury.

Example: The balloon will rupture if you blow it up too much.

Definition: A situation where something breaks apart or tears, often used in medical contexts to describe injuries or conditions.

Example: The doctor explained that a rupture in the tissue could lead to serious complications.

Definition: To break something suddenly or forcefully, causing it to separate into parts or pieces.

Example: The pressure caused the pipe to rupture, spilling water everywhere.

Definition: Describing something that has been broken or torn apart, often referring to a physical condition or injury.

Example: The doctor said the patient had a ruptured appendix that needed immediate surgery.

Definition: To break or burst suddenly, often causing damage or injury.

Example: The balloon ruptured when it was overinflated.