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emissivity

noun

emissivity is spelled E-M-I-S-S-I-V-I-T-Y. The wrong spelling people search most is emmisivity: about 40 Bing searches a month in the United States (September 2025 to August 2026), about 1 in 11 of all searches for the word. Emissivity is a noun meaning “The energy-emitting propensity of a surface, usually measured at a specific wavelength”. The plural of emissivity is emissivities.

How many letters and syllables are in emissivity?

Letters10: E-M-I-S-S-I-V-I-T-Y
In writingabout once in every 12 million words; the 103,949th most frequent word form
Wrong spellings searched1; the most searched, emmisivity, about 40 Bing searches a month (all of them)

Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026).

How do you spell emissivity?

Emissivity is spelled E-M-I-S-S-I-V-I-T-Y. One wrong spelling is searched or written often enough to measure; together they are about 1 in 11 of the searches for emissivity in either form.

emissivitythe right spelling410 searches a month
emmisivityan extra m, a missing s40 searches a month

Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026). Wrong spellings are taken from Wiktionary entries tagged "misspelling" and its obsolete or nonstandard forms, Wikipedia's Lists of common misspellings and the codespell dictionary, then measured. The proofreader's marks show the change that corrects each one.

How common is emissivity?

Emissivity appears about once in every 12 million words in written English, the 103,949th most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

Forms of emissivity

  • emissivities plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What does emissivity mean?

The meanings the English Wiktionary records, quoted as written there (source below).

noun

  1. 1

    The energy-emitting propensity of a surface, usually measured at a specific wavelength.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Where does emissivity come from?

From emissive + -ity.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What to look up after emissivity