Exam: Cambridge English: C1 Advanced (CAE)

Definition: Relating to or resembling porcelain, which is a smooth and shiny material often used for dishes and decorative items.

Example: The artist created a porcelaneous sculpture that gleamed under the light.

Definition: A type of protein that forms channels in cell membranes, allowing small molecules to pass through.

Example: Porins are essential for the transport of nutrients and waste in and out of cells.

Definition: The quality or state of having small holes or spaces in a material, allowing liquids or gases to pass through.

Example: The porosity of the rock allows water to seep through it easily.

Definition: Able to allow liquids or gases to pass through because it has small holes or spaces.

Example: The sponge is porous, so it can soak up water easily.

Definition: The state or quality of having small holes or spaces that allow air or liquid to pass through.

Example: The porousness of the sponge makes it very absorbent.

Definition: A type of organic compound made up of four connected rings, which plays an important role in biological processes like carrying oxygen in blood and photosynthesis in plants.

Example: Chlorophyll is a well-known porphyrin that helps plants absorb sunlight for photosynthesis.

Definition: Describing a type of rock that has large crystals embedded in a finer-grained background.

Example: The geologist examined the porphyritic rock to understand its formation process.

Definition: A smooth and continuous movement from one musical note to another without any breaks, often used in singing or playing string instruments.

Example: The singer used portamento to create a beautiful, flowing melody.

Definition: To indicate or predict something that will happen in the future, often something bad or significant.

Example: The darkening skies seemed to portend a heavy rainstorm later in the day.

Definition: A sign or warning that something important or bad is going to happen.

Example: The dark clouds were a portent of the storm to come.