Definition: A type of chemical compound that is made from phenol and contains nitrogen and oxygen; it is known for being toxic and is used in some pesticides.

Example: Dinitrophenol is often used in laboratories for various chemical reactions.

Definition: A tiny, single-celled organism found mainly in the ocean, which has two whip-like structures called flagella. These organisms are important in the food chain and can sometimes cause harmful events like red tide.

Example: The dinoflagellate caused the water to glow at night due to its bioluminescent properties.

Definition: Relating to or characteristic of dinosaurs, which are large reptiles that lived millions of years ago.

Example: The dinosaurian fossils found in the area provide insight into the ancient creatures that once roamed the Earth.

Definition: A type of reptile that lived during the Mesozoic era, often characterized by their large size and diverse species.

Example: The museum displayed a dinosaurian skeleton that fascinated all the visitors.

Definition: A type of molecule made up of two smaller units called nucleotides, which are the building blocks of DNA and RNA.

Example: Dinucleotides play a crucial role in the structure of DNA and RNA.

Definition: A small electronic component that allows electricity to flow in one direction only, often used to convert alternating current to direct current.

Example: The technician replaced the faulty diode in the circuit to restore proper function.

Definition: The state in which a species has male and female reproductive organs in separate individuals, rather than in the same individual.

Example: Many plants exhibit dioecism, meaning that some plants are male and others are female.

Definition: A biological term that describes a plant species where individual plants are either male or female, meaning that both sexes are needed for reproduction.

Example: In many dioecious species, such as holly, you need both male and female plants to produce berries.

Definition: A type of organic compound that has two hydroxyl groups, which are chemical groups consisting of an oxygen atom bonded to a hydrogen atom.

Example: Glycerol is a common diol used in food and cosmetics.

Definition: A type of hydrocarbon that contains two double bonds between carbon atoms.

Example: Diolefins are important in the production of synthetic rubber.

Definition: A type of mineral that is usually green and is used in jewelry and other applications.

Example: The jeweler showed me a beautiful ring with a diopside stone.