Definition: A chemical substance that is colorless and used to kill unwanted plants, known as a herbicide.

Example: Farmers often use picloram to control invasive plant species in their fields.

Definition: A very small unit of mass equal to one trillionth of a gram.

Example: The scientist measured the substance in picograms to ensure accuracy.

Definition: A type of chemical compound that is a liquid and has three different forms, used mainly as a solvent in industrial processes and organic chemistry.

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

Definition: A very small unit of measurement used in chemistry, equal to one trillionth of a mole.

Example: The concentration of the substance was measured in picomoles per liter.

Definition: A type of very small virus that can infect animals and is made of RNA surrounded by a protein shell. This group includes viruses that cause diseases like polio and foot-and-mouth disease.

Example: The picornavirus is responsible for several common illnesses, including the common cold.

Definition: A very short unit of time equal to one trillionth of a second.

Example: The computer processes data in picoseconds, making it incredibly fast.

Definition: A type of chemical compound that is derived from picric acid, often used in explosives or as a dye.

Example: The laboratory was experimenting with a new picrate for its potential applications in materials science.

Definition: Describing an explosive substance that contains a specific chemical compound known as picrate, often used in fireworks.

Example: The fireworks display was enhanced by the use of picrated explosives, creating vibrant colors in the sky.

Definition: Relating to a type of yellow acid that is bitter and used in various chemical processes.

Example: The laboratory used picric acid for its experiments due to its unique properties.

Definition: A type of dark green rock formed from volcanic activity, mainly made up of a mineral called chrysolite along with other minerals like hornblende and augite.

Example: The geologist examined the picrite to understand its formation and mineral composition.