Definition: A type of plant belonging to the genus that includes goldenrods, commonly found in North America and known for their bright yellow flowers.

Example: The fields were filled with solidago, creating a beautiful display of yellow blooms in late summer.

Definition: The strongest or most firm; having the greatest strength or stability.

Example: This is the solidest building in the city, able to withstand strong earthquakes.

Definition: The quality of being firm and stable, not liquid or hollow.

Example: The solidness of the table made it very sturdy and reliable.

Definition: The slow movement of soil or other materials down a slope, often occurring in areas where the ground is frozen.

Example: After the heavy rain, solifluction caused the soil to slowly creep down the hillside.

Definition: A type of soil that has a layer rich in sodium and clay, often found in arid regions, which affects its ability to support plant life.

Example: Farmers need to be careful when planting in solonetz soil because it can be difficult for crops to grow.

Definition: A time of year when the sun is farthest from the equator, resulting in the longest or shortest day of the year.

Example: The summer solstice marks the longest day of the year, celebrated in many cultures.

Definition: Related to or happening at a solstice, which is the time when the sun reaches its highest or lowest point in the sky at noon.

Example: The solstitial celebrations mark the longest day of the year.

Definition: The top layers of soil where plants grow, which includes the uppermost part of the soil profile.

Example: Farmers often test the solum to ensure it has the right nutrients for crops.

Definition: Relating to or affected by both the sun and the moon.

Example: The solunar tables help fishermen determine the best times to catch fish based on the positions of the sun and moon.

Definition: A type of bird known for its ability to produce musical sounds or songs, often found in various environments and appreciated for their melodies.

Example: The songbird perched on the branch and filled the air with its beautiful tunes.