Definition: A device that removes magnetism from objects or materials.

Example: The technician used a demagnetizer to ensure the equipment was free of magnetic interference.

Definition: A clear, green type of garnet that is often used in jewelry as a precious stone.

Example: She wore a beautiful ring with a demantoid gemstone.

Definition: To break or remove the mast from a sailing ship, often due to an accident or for storage purposes.

Example: The storm was so strong that it demasted the old ship, leaving it helpless in the water.

Definition: To make something lose its physical form or substance, often causing it to become invisible or immaterial.

Example: The magician seemed to dematerialize the rabbit from the hat in an instant.

Definition: To cause someone to lose their mental abilities or to become insane.

Example: The illness can dement a person over time, affecting their memory and reasoning.

Definition: A medical condition that affects the brain, leading to problems with memory, thinking, and behavior. It often gets worse over time and can cause changes in personality and emotions.

Example: My grandmother has been diagnosed with dementia, which makes it hard for her to remember things.

Definition: Referring to organisms that live or are found at or near the bottom of a body of water.

Example: Demersal fish are often caught using bottom trawling techniques.

Definition: To remove one or more methyl groups from a chemical compound, particularly in biological contexts.

Example: Scientists are studying how to demethylate certain genes to understand their functions better.

Definition: Referring to a substance that has undergone the process of removing a methyl group from its chemical structure.

Example: The researchers studied the effects of demethylated compounds on gene expression.

Definition: To remove a methyl group from a molecule, often in the context of chemical reactions or biological processes.

Example: The compound was demethylated to enhance its reactivity in the experiment.

Definition: The process of removing one or more methyl groups from a molecule.

Example: Demethylation is an important process in the regulation of gene expression.