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phosphorus
Definition
Phosphorus is a chemical element with the symbol P and atomic number 15. It is a non-metal that is found in nature as a white, waxy solid. Phosphorus is very reactive and can form many different compounds.
Phosphorus is important for life. It is a component of DNA and RNA, the molecules that store genetic information. Phosphorus is also a component of ATP, the molecule that cells use to store energy.
Phosphorus can be harmful to the environment if it is not properly managed. When phosphorus enters waterways, it can cause algae blooms. Algae blooms can block sunlight from reaching underwater plants, which can lead to the death of these plants.
How can the word be used?
Phosphorus is an essential nutrient for all living things.
Different forms of the word
Noun:
- phosphorus (a chemical element with the atomic number 15, symbol P).
- phosphorescence (the emission of light by a substance after it has been exposed to light or other form of radiation).
- phosphorescent (emitting light after exposure to light or other form of radiation).
Adjective:
- phosphorous (of or relating to phosphorus).
Etymology
The word "phosphorus" comes from the Greek word "phosphoros", which means "light-bearer". The word "phosphoros" is derived from the words "phos" (light) and "phoros" (bearer).
The word "phosphorus" was first used in English in the 16th century. It was used to refer to a substance that glowed in the dark.
The word "phosphorescence" is derived from the word "phosphorus". It is the emission of light by a substance after it has been exposed to light or other form of radiation. Phosphorescence is different from fluorescence, which is the emission of light by a substance immediately after it has been exposed to light.
The word "phosphorescent" is also derived from the word "phosphorus". It describes a substance that glows in the dark.
Question
What is phosphorus used for?