Definition: In a way that allows liquids or gases to pass through easily.

Example: The sponge absorbs water porously, making it useful for cleaning.

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 type of rock that has large visible crystals, usually feldspar, set in a finer-grained background.

Example: The ancient Romans used porphyry for their sculptures and buildings due to its durability and beauty.

Definition: The quality or ability of something to be easily carried or moved from one place to another.

Example: The portability of the new laptop makes it ideal for travel.

Definition: Able to be easily carried or moved from one place to another.

Example: The portative device can be taken anywhere, making it very convenient for travel.

Definition: Able to be arranged or positioned in a certain way.

Example: The artist created a posable figure that could be adjusted into different positions.

Definition: Able to be arranged or positioned in different ways, often used to describe figures or models that can be moved into various poses.

Example: The action figure is poseable, allowing kids to create different scenes.

Definition: A tiny particle that is similar to an electron but has a positive charge instead of a negative charge.

Example: In particle physics, a positron is often produced in certain types of radioactive decay.

Definition: A temporary combination of an electron and its antimatter counterpart, a positron, that behaves similarly to a hydrogen atom.

Example: Scientists study positronium to understand the interactions between matter and antimatter.