Definition: The study of light and its interaction with matter, often used to analyze the composition of substances by observing their spectra.

Example: Scientists use spectroscopy to identify the chemical makeup of distant stars.

Definition: Relating to or resembling a mirror, often used to describe surfaces that reflect light.

Example: The lake had a specular surface, perfectly reflecting the trees and sky above.

Definition: The state or quality of reflecting light in a way that creates a shiny or mirror-like surface.

Example: The specularity of the water's surface made it look like a mirror reflecting the sky.

Definition: In a way that reflects light like a mirror, producing a clear image or reflection.

Example: The surface of the lake was specularly smooth, reflecting the sky perfectly.

Definition: A tool used in medicine to open up a body cavity for examination, or a shiny surface used in optical devices. It can also refer to a colorful area on the wings of some birds or a clear spot on the wings of certain butterflies.

Example: The doctor used a speculum to examine the patient's throat more closely.

Definition: A type of compound that contains arsenic, often formed during the process of extracting metals like iron, cobalt, nickel, and copper from their ores.

Example: The miners discovered speiss while processing the copper ore.

Definition: A type of zinc that is often used in various forms like ingots, slabs, or plates for commercial purposes.

Example: The factory produces spelter for use in construction and manufacturing.

Definition: A small capsule or mass containing sperm, produced by some male animals and transferred to females for reproduction.

Example: The male squid released a spermatophore to fertilize the eggs of the female.

Definition: A type of organic compound that is a polyamine, commonly found in living tissues and involved in cellular functions.

Example: Spermine is important for cellular growth and stability.

Definition: A white mineral made of platinum and arsenic, known for its crystalline structure.

Example: Sperrylite is often found in platinum-rich deposits and is valued for its unique properties.