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Discover LudwigThe phrase "a unknown" is not correct in written English.
The correct form is "an unknown" because "unknown" begins with a vowel sound.
Example: "The detective was faced with an unknown suspect in the case."
Alternatives: "an unidentified" or "a mysterious".
Exact(52)
The percentages of teichoic acid, unknown A, unknown B and phosphonates also decreased, whereas the proportions of orthophosphate monoesters increased following land use changes.
A: Unknown.
A: Unknown Is God eternal?
A: Unknown How did life arise?
A: Unknown What if anything existed before the Big Bang?
A: Unknown What is the nature of consciousness?
Similar(8)
What's her, what's what's the last name?" UNKNOWN 2: "She is—I thought it was G-E-R-R-I-T-Y [inaudible]" UNKNOWN 2: "Could be G-A" UNKNOWN: "Yeah".
In this study, three equivalent tephra layers are present between sites (tentatively called unknown-a, unknown-b, and unknown-c), which were not correlated to regional tephras.
Ride a train to an unknown destination.
Buy a candy from an unknown store.
Hard to say whether that's a known unknown or an unknown unknown.
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com