Radiometer

[ˌʁadi̯oˈmeːtɐ]

/[ˌʁadi̯oˈmeːtɐ]/ noun

The verdict

“Radiometer” is uncommon German (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency German
10
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Strahlungsmessgerät, das 1874 von William Crookes erfunden wurde

Key facts for Radiometer
PropertyValue
HeadwordRadiometer
LanguageGerman
Part of speechNoun
IPA[ˌʁadi̯oˈmeːtɐ]
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “Radiometer” sits in German frequency

Radiometer falls outside the top-100,000 ranked German words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

Radiometer is uncommon German outside the top frequency list, classed as anoun, transcribed [ˌʁadi̯oˈmeːtɐ]. Rarity is why readers land here mid-draft. Gloss: "Strahlungsmessgerät, das 1874 von William Crookes erfunden wurde".

Radiometer has no tracked misspelling variants, since its letter sequence doesn't invite the usual edit-distance slips. It is not paired with a close-neighbour confusable in our dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.

No borrowing history is documented for this entry, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct German form is Radiometer, spelled R-A-D-I-O-M-E-T-E-R.

Definition

  1. 1
    Strahlungsmessgerät, das 1874 von William Crookes erfunden wurde

Synonyms

Lichtmühle

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "Radiometer"?
"Radiometer" is spelled R-A-D-I-O-M-E-T-E-R. The IPA pronunciation is [ˌʁadi̯oˈmeːtɐ].
What does "Radiometer" mean?
As a noun, "Radiometer" means: Strahlungsmessgerät, das 1874 von William Crookes erfunden wurde
How do you pronounce "Radiometer"?
The IPA (International Phonetic Alphabet) transcription for "Radiometer" is [ˌʁadi̯oˈmeːtɐ]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "Radiometer" come from?
"Radiometer" is a German word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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.

Using “Radiometer”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct German spelling is R-A-D-I-O-M-E-T-E-R - every other letter order is a misspelling in standard orthography.
  • Say it as [ˌʁadi̯oˈmeːtɐ] (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more German words and confusable pairs in the same reference. German words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list