Exam: Cambridge English: C1 Advanced (CAE)

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 region or area that is managed by a bishop, which includes several churches.

Example: The bishop visited each church in his diocese to offer support and guidance.

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 unit used to measure how strongly a lens can bend light, which is calculated by taking the inverse of the distance from the lens to the point where it focuses light, measured in meters.

Example: The optometrist prescribed glasses with a diopter of -2.5 to correct my vision.

Definition: A unit of measurement used to express the optical power of a lens or mirror, equal to the reciprocal of the focal length in meters.

Example: The optometrist measured my vision and prescribed glasses with a strength of +2.5 dioptres.

Definition: Related to the bending of light to help with vision or optics.

Example: The dioptric properties of the lens improve the clarity of the image.

Definition: A clear, colorless liquid that can catch fire and is used to dissolve substances like fats and resins in products such as paints and cosmetics.

Example: Dioxane is often used in laboratories as a solvent for various chemical reactions.

Definition: A chemical compound made of one metal atom and two oxygen atoms.

Example: Carbon dioxide is a common example of a dioxid.

Definition: A chemical compound that has two oxygen atoms in each molecule.

Example: Carbon dioxide is produced when we breathe out.

Definition: A type of enzyme that helps break down dipeptides into individual amino acids.

Example: Dipeptidase is essential for protein digestion in the body.