Definition: A type of meteorite that contains both metal and stone, typically made of iron and silicate minerals.

Example: The siderolite fell to Earth, providing valuable information about the solar system's formation.

Definition: Referring to the smoke that comes from the burning end of a cigarette or cigar, rather than from the smoke exhaled by the smoker.

Example: Sidestream smoke can be harmful to people nearby, even if they are not smoking themselves.

Definition: A flow of liquid or gas that is taken from a specific point in a process, often used in contexts like distillation or other industrial processes.

Example: The sidestream from the distillation process was analyzed for purity.

Definition: A type of coarse-grained igneous rock that is similar to granite but contains more alkali feldspar and less quartz.

Example: The geologist studied the sienite to understand its formation process.

Definition: Connected to or characteristic of the Sierra Nevada Mountains in the western United States.

Example: The sierran landscape is known for its stunning granite peaks and diverse ecosystems.

Definition: A person who comes from or lives in the Sierra Nevada region, particularly in the mountains of California and Nevada.

Example: As a sierran, she often hikes the beautiful trails of the Sierra Nevada.

Definition: To use a tool with small holes to separate solid particles from a liquid or to sift through materials.

Example: She decided to sieve the flour before baking the cake.

Definition: A kitchen tool made of mesh or holes that is used to separate smaller particles from larger ones, often for cooking or baking.

Example: She used a sieve to strain the pasta after boiling it.

Definition: To separate or remove unwanted parts from something, usually by using a tool with holes that allows smaller items to pass through while keeping larger items back.

Example: She used a sieve to drain the pasta after cooking it.

Definition: A unit of measurement for ionizing radiation that indicates the biological effect of radiation on human tissue.

Example: The radiation dose was measured in sieverts to assess the potential health risks.

Definition: The act of seeing something, especially something that is unusual or being looked for.

Example: The hikers were excited by the sighting of a rare bird in the forest.

Definition: The 18th letter of the Greek alphabet, often used in mathematics and science to represent various concepts.

Example: In mathematics, sigma is commonly used to denote the summation of a series.

Definition: Having a shape similar to the Greek letter sigma, which looks like a stylized 'S'.

Example: The architect designed the building with sigmate curves to give it a unique appearance.

Definition: Having a shape that resembles the letter S, often used to describe certain curves or structures in anatomy and mathematics.

Example: The graph of the function has a sigmoid shape, rising gradually before leveling off.