What does "phosphorus" mean?
A chemical element (symbol P) with an atomic number of 15, that exists in several allotropic forms.
Phosphorus
/ˈfɒs.fə.ɹəs/ name, noun
name, noun ·Uncommon ·Advanced level
Meaning at a glance
- Primary sense: A chemical element (symbol P) with an atomic number of 15, that exists in several allotropic forms.
- Grammar: phosphorus is listed as name, noun.
- Nearest alternatives: alabaster, allotropes of phosphorus, asphalt, atomic number 15.
- Useful contrasts: hesperus.
- Usage evidence: Phosphorus provides nourishment for cyanobacteria (blue algae) which multiply and release toxins.
How to use "phosphorus"
- Start with the primary definition, then check the part of speech before placing the word in a sentence.
- Compare nearby synonyms to make sure "phosphorus" carries the exact meaning, tone, and strength you need.
- Use the example sentence as a context check. If your sentence uses the word differently, confirm that the grammar still fits.
Meaning check
- Does the word fit the sentence's grammar?
- Does it match the intended tone rather than only the dictionary definition?
- Would a simpler synonym be clearer for the reader?
- Is there enough surrounding context to prevent ambiguity?
Source and review context
This entry combines structured lexical data with WordToolSet review checks. Definitions, examples, synonyms, and usage notes may come from different source tables, so the page is designed to show evidence from more than one angle before you rely on "phosphorus" in a final draft.
If a word has several senses, prefer the sense that matches your sentence's grammar and surrounding context. A correct definition can still be the wrong choice when the sentence needs a different register, emphasis, or level of specificity.
Before you rely on this definition
Read the first definition as a starting point, then check the example, synonyms, and part of speech before treating "phosphorus" as the right word for your sentence.
If your draft is formal, technical, persuasive, or sensitive, compare "phosphorus" with a nearby alternative so the final choice matches both meaning and reader expectation.
Compare nearby meanings
- Use synonyms when you need a softer, stronger, simpler, or more specific word.
- Use antonyms to check the boundary of the meaning and avoid accidental contrast.
- Use the example sentence to confirm the word behaves naturally in context.
- Keep the original wording when a replacement adds complexity without improving precision.
Definition decision workflow
1. Identify the role
Check whether "phosphorus" is acting as name, noun in your sentence. A definition is only useful when the grammar matches the way the word is being used.
2. Test the nearest option
Compare it with "alabaster" and other nearby choices to see whether the sentence needs a softer, stronger, or more familiar word.
3. Confirm with context
Use the example sentence below as an evidence check, then read your own sentence out loud to catch tone or rhythm problems.
Review note: Definition pages are checked for source coverage, sentence evidence, synonym support, and editorial insight before they are treated as approval-ready pages. If the evidence is too thin, the page remains available to users but is kept out of the approval-facing indexed inventory.
Final meaning check
Before publishing a sentence with "phosphorus", ask whether the word helps the reader understand the idea faster. A precise word should reduce confusion, not simply make the sentence look more polished.
When the definition, synonym evidence, and example context point in the same direction, the word is usually a safer choice. When they conflict, revise the sentence or choose a clearer alternative.
Definitions
Noun
- 1 A chemical element (symbol P) with an atomic number of 15, that exists in several allotropic forms. countable, uncountable
"For quotations using this term, see Citations:phosphorus."
- 2 a planet (usually Venus) seen just before sunrise in the eastern sky wordnet
- 3 Any substance exhibiting phosphorescence; a phosphor. countable, obsolete, uncountable
"For quotations using this term, see Citations:phosphorus."
- 4 a multivalent nonmetallic element of the nitrogen family that occurs commonly in inorganic phosphate rocks and as organic phosphates in all living cells; is highly reactive and occurs in several allotropic forms wordnet
Proper Noun
- 1 A name sometimes used for Hesperus, the personification in Greek mythology of the planet Venus.
- 2 An Ancient Greek name for the morning star (the planet Venus when it is visible in the eastern sky before sunrise).
"Near-synonyms: evening star, evenstar, Hesperus, Vesper, Venus"
Synonyms
All synonymsAntonyms
Example
"Phosphorus provides nourishment for cyanobacteria (blue algae) which multiply and release toxins."
Common questions
What is a synonym for "phosphorus"?
Common synonyms include: alabaster, allotropes of phosphorus, asphalt, atomic number 15, biological phosphorus, chemical element phosphorus.
How do you use "phosphorus" in a sentence?
Phosphorus provides nourishment for cyanobacteria (blue algae) which multiply and release toxins.
How do you pronounce "phosphorus"?
Pronounced /ˈfɒs.fə.ɹəs/.
Etymology
Etymology 1
Borrowed from Latin phōsphorus, from Ancient Greek φωσφόρος (phōsphóros, “the bearer of light”), from φῶς (phôs, “light”) + φέρω (phérō, “to bear, carry”).
Etymology 2
From Latinised Greek Phosphorus, from Ancient Greek Φωσφόρος (Phōsphóros, “the bearer of light”), from φῶς (phôs, “light”) + φέρω (phérō, “I bear, carry”).