"Frustule" Natural Recordings by Native Speakers
Frustrule is a noun that refers to the shed valve of a diatom, typically found in sedimentary rocks, often containing fossilized remains of ancient marine organisms.
Frustrule: In biology, a frustule is the rigid, outer covering of a diatom, a type of algae.
To frustrate means to make someone or something unable to do something or to proceed because of a problem or obstacle. It can also mean to cause someone to feel angry or annoyed because their plans or desires are stopped or prevented.
Frustrations: A feeling of discontent, anger, or annoyance at being unable to achieve one's goals or desires, often caused by obstacles, setbacks, or difficulties. It can also be a state of being exasperated or worn out by dealing with something repeatedly, such as a problem, person, or situation, without being able to resolve it or make progress.
A fry-pan, also known as a frying pan, is a cookware vessel used for frying, sautéing, and browning food over medium to high heat. It is typically made of metal, such as stainless steel, cast iron, or non-stick materials, and has a flat bottom and sloping sides. Fry-pans are variously used for cooking a range of dishes, including omelets, pancakes, eggs, burgers, and stir-fries.