Definition: Relating to the force that attracts objects towards one another, especially towards the center of a planet or other celestial body.

Example: The gravitative force between the Earth and the Moon keeps them in orbit around each other.

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: 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 player who participates in football, typically playing in a specific position on the field.

Example: The gridder scored the winning touchdown in the championship game.

Definition: A structure made of wood or metal that provides support, especially on soft or wet ground.

Example: The builders used a grillage to ensure the stability of the foundation in the marshy area.

Definition: A place where grain is ground into flour or meal using machinery.

Example: The farmer took his wheat to the gristmill to have it ground into flour.

Definition: Describing something that has small rings or eyelets inserted into it, often used to reinforce holes in materials like fabric or metal.

Example: The grommeted tarp held up well against the strong winds.

Definition: Having long, narrow cuts or channels on a surface.

Example: The grooved surface of the wood made it easier to grip.

Definition: To make a long, narrow cut or indentation in a surface.

Example: The carpenter grooved the wood to create a better fit for the joint.