Speakur

Word Pronunciation & Dictionary

ultrablack

Word Rarity Very rare

Frequency: Zipf frequency 0.00 in modern English

Syllables
ul-tra-black
IPA
18
Scrabble Score
10
Letters
3
Syllables
8
Unique Chars

Meaning

noun

A substance that emits (reflects) less than 0.5% of the light incident upon it, in the specified spectral range; in the visible light spectrum.

noun

Used other than figuratively or idiomatically: see ultra, black.

adj

Having the property of disappearing (not returning) more than 99.5% of the light incident upon it, in the specified spectral range; in the visible light spectrum.

adj

Used other than figuratively or idiomatically: see ultra-, black.

Etymology

ultra- + black. By surface analysis, ultra + black.

Word Breakdown

Inflected Forms

ultrablacks (plural) ultra-black (alternative) ultra black (alternative) more ultrablack (comparative) most ultrablack (superlative)

Frequently Paired Words

Vantablack

Questions

What does ultrablack mean?
A substance that emits (reflects) less than 0.5% of the light incident upon it, in the specified spectral range; in the visible light spectrum.
Where does ultrablack come from?
ultra- + black. By surface analysis, ultra + black.

How to pronounce ultrablack

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  2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
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