Standard Lemma guide

Phosphor

name · noun · 5 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: /ˈfɒsfə/
  • US: /ˈfɑsfɚ/
  • US: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: F AA1 S F AO2 R Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

name

Meaning 1

Alternative spelling of Phosphorus (“the planet Venus, as the morning star”).

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, alternative

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Any of various compounds of transition metals or of rare earths that exhibit phosphorescence.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: chemistry, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

Phosphorus.

Definition source: English Wiktionary via Wiktextract

Usage: countable, obsolete, uncountable

Topics: chemistry, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

The planet Venus, when appearing as a morning star

Definition source: English Wiktionary via Wiktextract

Usage: countable, obsolete, proper-noun, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

a synthetic substance that is fluorescent or phosphorescent; used to coat the screens of cathode ray tubes

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: synthetic, synthetic substance

History

Etymology

From Medieval Latin phosphorus.

Across languages

Translations

5 source translations are retained for this English entry.

  • Bulgarian: фосфоресцент (fosforescent) — compound exhibiting phosphorescence
  • Finnish: loisteaine — compound exhibiting phosphorescence
  • German: Leuchtstoff — compound exhibiting phosphorescence
  • Greek: φώσφορος (fósforos) — compound exhibiting phosphorescence
  • Polish: luminofor — compound exhibiting phosphorescence