Standard Lemma guide

phosphorus

name · noun · 6 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Received-Pronunciation: fŏs'fərəs
  • Received-Pronunciation: /ˈfɒsfərəs/
  • US: fäs'fərəs
  • US: /ˈfɑsfɚəs/
  • homophone: phosphorous
  • homophone: phosphorus
  • Received-Pronunciation: fŏsʹfə-rəs
  • Received-Pronunciation: fŏsʹfrəs
  • Received-Pronunciation: /ˈfɒs.fə.ɹəs/
  • Received-Pronunciation: /ˈfɒs.fɹəs/
  • US: fäsʹfər-əs
  • US: /ˈfɑs.fɚ.əs/
  • General-American: Recorded audio is listed in the source snapshot.
  • US: Recorded audio is listed in the source snapshot.
  • homophone: Phosphorus
  • CMU ARPABET: F AA1 S F ER0 AH0 S Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

name

Meaning 1

A name sometimes used for Hesperus, the personification in Greek mythology of the planet Venus.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: Hesperus

Antonyms: none provided

2

name

Meaning 2

An Ancient Greek name for the morning star (the planet Venus when it is visible in the eastern sky before sunrise).

Definition source: English Wiktionary via Wiktextract

Examples

  • Near-synonyms: evening star, evenstar, Hesperus, Vesper, Venus

Meaning relationships

Synonyms: morning star, Eosphorus, Lucifer, evening star, evenstar, Hesperus, Vesper, Venus

Antonyms: none provided

3

noun

Meaning 3

A chemical element (symbol P) with an atomic number of 15, that exists in several allotropic forms.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: chemistry, natural-sciences, physical-sciences

Examples

  • For quotations using this term, see Citations:phosphorus.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

Any substance exhibiting phosphorescence; a phosphor.

Definition source: English Wiktionary via Wiktextract

Usage: countable, obsolete, uncountable

Examples

  • For quotations using this term, see Citations:phosphorus.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

a planet (usually Venus) seen just before sunrise in the eastern sky

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: morning star, daystar, Lucifer

Antonyms: none provided

Broader terms: planet, major planet

6

noun

Meaning 6

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

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: P, atomic number 15

Antonyms: none provided

Broader terms: chemical element, element

History

Etymology

From Latinised Greek Phosphorus, from Ancient Greek Φωσφόρος (Phōsphóros, “the bearer of light”), from φῶς (phôs, “light”) + φέρω (phérō, “to bear, carry”).

Etymology tree Proto-Indo-European *bheh2- Proto-Indo-European *bhéh2os Proto-Hellenic *pháwos Ancient Greek φᾰ́ος (phắos) Ancient Greek φῶς (phôs) Proto-Indo-European *bher- Proto-Indo-European *bhéreti Proto-Hellenic *phérō Ancient Greek φέρω (phérō) Proto-Indo-European *-os Proto-Hellenic *-os Ancient Greek -ος (-os) Ancient Greek -φόρος (-phóros) Ancient Greek φωσφόρος (phōsphóros)bor. Latin phōsphorusbor. English phosphorus Borrowed from Latin phōsphorus, from Ancient Greek φωσφόρος (phōsphóros, “the bearer of light”), from φῶς (phôs, “light”) + φέρω (phérō, “to bear, carry”).

Across languages

Translations

94 source translations are retained for this English entry.

  • Czech: jitřenka — an ancient Greek name for the morning star
  • Italian: Venere — an ancient Greek name for the morning star
  • Korean: 샛별 (saetbyeol) — an ancient Greek name for the morning star
  • Slovak: zornička — an ancient Greek name for the morning star
  • Slovak: zornica — an ancient Greek name for the morning star
  • Afrikaans: fosfor — element
  • Albanian: fosfor — element
  • Arabic: فُسْفُور (fusfūr) — element
  • Armenian: ֆոսֆոր (fosfor) — element
  • Asturian: fósforu — element
  • Azerbaijani: آتش چیقاریجی (atäsh chiqariji) — element
  • Azerbaijani: fosfor — element
  • Basque: fosforoa — element
  • Belarusian: фо́сфар (fósfar) — element
  • Breton: fosfor — element
  • Bulgarian: фо́сфор (fósfor) — element
  • Catalan: fòsfor — element
  • Chinese Cantonese: 磷 (leon4) — element
  • Chinese Mandarin: 磷 (lìn) — element
  • Cornish: fosforos — element
  • Czech: fosfor — element
  • Danish: fosfor — element
  • Dutch: fosfor — element
  • Esperanto: fosforo — element
  • Estonian: fosfor — element
  • Faroese: fosfor — element
  • Finnish: fosfori — element
  • French: phosphore — element
  • West-Frisian: fosfor — element
  • Friulian: fosfar — element
  • Galician: fósforo — element
  • Georgian: ფოსფორი (pospori) — element
  • German: Phosphor — element
  • Greek: φώσφορος (fósforos) — element
  • Hebrew: זרחן (zarkhan) — element
  • Hindi: भास्वर (bhāsvar) — element
  • Hungarian: foszfor — element
  • Icelandic: fosfór — element
  • Interlingua: phosphoro — element
  • Irish: fosfar — element
  • Italian: fosforo — element
  • Japanese: リン (rin) — element
  • Japanese: 燐 (rin) — element
  • Kalmyk: сүүмг (süümg) — element
  • Kashubian: fòsfòr — element
  • Kazakh: фосфор (fosfor) — element
  • Khmer: ហ្វូស្វ័រ (foosvoa) — element
  • Korean: 인 (in) — element
  • Korean: 인소 (inso) — element
  • Latin: phosphorus — element
  • Latvian: fosfors — element
  • Lingala: fosofo class 9a/10a — element
  • Lithuanian: fosforas — element
  • Luxembourgish: Phosphor — element
  • Macedonian: фосфор (fosfor) — element
  • Malay: fosforus — element
  • Malayalam: ഫോസ്ഫറസ് (phōsphaṟasŭ) — element
  • Maltese: fosforu — element
  • Manx: fosfaar — element
  • Māori: pūtūtaewhetū — element
  • Marathi: स्फुरद (sphurad) — element
  • Mongolian: сүүмэг (süümeg) — element
  • Norwegian Bokmål: fosfor — element
  • Norwegian Nynorsk: fosfor — element
  • Occitan: fosfòr — element
  • Persian: فسفر (fosfor) — element
  • Polish: fosfor — element
  • Portuguese: fósforo — element
  • Romanian: fosfor — element
  • Russian: фо́сфор (fósfor) — element
  • Scottish Gaelic: fosfor — element
  • Serbo-Croatian: фо̏сфор — element
  • Serbo-Croatian: fȍsfor — element
  • Sicilian: pòspuru — element
  • Slovak: fosfor — element
  • Slovene: fósfor — element
  • Spanish: fósforo — element
  • Swahili: fosforasi — element
  • Swedish: fosfor — element
  • Tagalog: posporo — element
  • Tajik: фосфор (fosfor) — element
  • Tamil: தீமுறி (tīmuṟi) — element
  • Tamil: பிரகாசிதம் (pirakācitam) — element
  • Tamil: பாஸ்பரஸ் (pāsparas) — element
  • Telugu: భాస్వరం (bhāsvaraṁ) — element
  • Thai: ฟอสฟอรัส (fɔ́ɔs-fɔɔ-rás) — element
  • Turkish: fosfor — element
  • Ukrainian: фо́сфор (fósfor) — element
  • Uzbek: fosfor — element
  • Uzbek: фосфор (fosfor) — element
  • Vietnamese: photpho — element
  • Vietnamese: phốtpho — element
  • Volapük: fosfin — element
  • Welsh: ffósfforws — element
Real reading context

phosphorus in complete knowledge articles