Definition: A piece of land that has not been built on or developed, often used for agriculture or as a site for new construction.

Example: The city plans to build a new park on the greenfield site.

Definition: Relating to the warming of the Earth's atmosphere due to trapped heat from the sun, often associated with climate change.

Example: The greenhouse gases in the atmosphere are contributing to global warming.

Definition: A building made mostly of glass where plants are grown and cared for in a controlled environment.

Example: The gardener decided to build a greenhouse to grow vegetables all year round.

Definition: A mineral that is yellow to brown or red, consisting of cadmium sulfide and is the only source of cadmium.

Example: Greenockite is often found in yellow translucent hexagonal crystals.

Definition: A type of sand that is dark green in color, mainly made up of a mineral called glauconite, and often found mixed with clay or other sands.

Example: The construction workers used greensand to improve the soil quality in the garden.

Definition: A type of rock that is green in color, often formed from changes in basic igneous rocks due to minerals like chlorite, hornblende, or epidote.

Example: The geologist collected samples of greenstone to study its mineral composition.

Definition: Relating to a specific group of single-celled parasites that belong to the order Gregarinida.

Example: The gregarine organism was studied for its impact on the host's health.

Definition: A type of small, parasitic organism that lives in the digestive systems of certain invertebrates, such as insects and worms.

Example: The gregarine was found in the intestines of the insect, causing it to become ill.

Definition: A type of rock that is mainly made up of quartz and mica, often found in certain regions like Cornwall and Saxony.

Example: The geologist collected samples of greisen to study its mineral composition.

Definition: A structure made of crossed or parallel lines that forms a pattern, often used for support or as a reference grid on maps and charts.

Example: The architect used a grid to help design the layout of the new building.

Definition: A type of antibiotic used to treat fungal infections, especially those affecting the skin, hair, and nails.

Example: The doctor prescribed griseofulvin to help clear up the ringworm infection.

Definition: A type of garnet that is usually green and made of calcium aluminum silicate.

Example: The jeweler showed me a beautiful ring with a grossular stone.