Definition: To apply a dye or stain to a specimen in order to enhance contrast and make certain features more visible under a microscope.

Example: The scientist decided to counterstain the cells to better observe their structures.

Definition: A weight that is used to balance another weight or force, helping to stabilize or support a system.

Example: The crane used a counterweight to lift heavy loads safely.

Definition: A union or combination of two things, often referring to a pair that is joined together.

Example: The couplement of the two ideas created a new and innovative solution.

Definition: Relating to a type of chemical bond where atoms share pairs of electrons.

Example: Water is formed by covalent bonds between hydrogen and oxygen atoms.

Definition: A natural mineral made of copper sulfide, known for its dark blue color and often found in large chunks.

Example: The geologist discovered a beautiful piece of covelline during the mineral hunt.

Definition: A shiny blue mineral that is made of copper and sulfur, and is an important source of copper.

Example: Covellite is often found in copper mines and is prized for its beautiful color.

Definition: A thin piece of glass that is placed over a sample on a microscope slide to protect it and improve the clarity of the image.

Example: The scientist carefully placed a coverslip over the specimen to observe it under the microscope.

Definition: To break or snap apart without completely separating into pieces.

Example: The ice began to crack as the temperature rose.

Definition: A partial split or break in a surface, often creating a narrow opening.

Example: There was a crack in the wall that needed to be repaired.

Definition: Very good or impressive; often used to describe something that is enjoyable or exciting.

Example: We had a cracking time at the party last night!

Definition: Used to describe something that is very good or impressive.

Example: The movie was a cracking success at the box office.

Definition: The process of breaking down complex substances, especially in chemistry, to create simpler products, often involving heat.

Example: The cracking of crude oil is essential for producing gasoline and other fuels.

Definition: The scientific study that focuses on the characteristics, size, and shape of the skull, particularly in humans.

Example: Craniology helps researchers understand the differences in skull shapes among various human populations.