phosphorescent

adj

By · According to Wiktionary data (CC BY-SA) ·

"phosphorescent" is a 14-letter English headword indexed on PlainSpell.

The verdict

“phosphorescent” is uncommon English (frequency #73,526 among 4,417 “P” headwords), classed as an adjective. The kind of spelling people second-guess.

#73,526
frequency rank, English
4,417
“P” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Having the property of emitting light for a period of time after the source of excitation is taken away, e.g., in electrostatic storage tubes and cathode-ray tubes.

Corpus desk

Index EN-phosphorescent · phosphorescent · English

phosphorescent · rank #73,526 · 0 variants · 0 confusables

  • FREQ-RARE #73,526
  • LEN-MEGA 14 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 4,417
  • PHOTO-FINISH phraseology

Nearest frequency peer: phraseology (+1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Long-tail ranks near “phosphorescent”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “phosphorescent” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for phosphorescent
PropertyValue
Headwordphosphorescent
LanguageEnglish
Part of speechAdjective
Letters14
Frequency rank#73,526
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “phosphorescent” in English

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).phosphorescentfalls in this rarity band:

#1#100#1K#10K#100K
← used constantlyrarely used →

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Rare peers in the same band: “phraseology” (#73,527), “Piaf” (#73,529), “Petry” (#73,522). Among 4,417 “P” headwords, “phosphorescent” is #73,526. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

phosphorescent is uncommon English at frequency #73,526 among 4,417 “P” headwords, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Having the property of emitting light for a period of time after the source of excitation is taken away, e.g., in electrostatic storage tubes and cathode-ray tubes.".

phosphorescent doesn't appear in our generated misspelling index, suggesting the orthography follows predictable English patterns. It is not paired with a close-neighbour confusable in our dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From phosphorus + -escent. It's interesting to note that phosphorus is not phosphorescent. Some phosphoric mixtures can be luminescent through chemical reactions, but none exhibit literal phosphorescence. The correct English form is phosphorescent, spelled P-H-O-S-P-H-O-R-E-S-C-E-N-T.

Definition

  1. 1
    Having the property of emitting light for a period of time after the source of excitation is taken away, e.g., in electrostatic storage tubes and cathode-ray tubes.

Recorded use

Wiktionary example

These source excerpts show how phosphorescent appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. So he imports this special breed of scorpions and feeds them on metal meal and the scorpions turned a phosphorescent blue color and sort of hummed.

Etymology

From phosphorus + -escent. It's interesting to note that phosphorus is not phosphorescent. Some phosphoric mixtures can be luminescent through chemical reactions, but none exhibit literal phosphorescence.

This word in other languages

fosforescente(Español)phosphorescent(Français)

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "phosphorescent"?
"phosphorescent" is spelled P-H-O-S-P-H-O-R-E-S-C-E-N-T.
What does "phosphorescent" mean?
As an adjective, "phosphorescent" means: Having the property of emitting light for a period of time after the source of excitation is taken away, e.g., in electrostatic storage tubes and cathode-ray tubes.
What is the origin of the word "phosphorescent"?
From phosphorus + -escent. It's interesting to note that phosphorus is not phosphorescent. Some phosphoric mixtures can be luminescent through chemical reactions, but none exhibit literal phosphorescence. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "phosphorescent", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 14 letters (nearest by frequency rank).

obstructionist#73,490recapitulation#73,577recreationally#73,580Stephanopoulos#73,656

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list