The phrase "a large unknown" is correct and usable in written English.
It can be used to refer to a significant uncertainty or an aspect that is not yet understood in various contexts, such as science, philosophy, or decision-making.
Example: "In the realm of climate change, the impact of human activity on future weather patterns remains a large unknown."
Alternatives: "a significant uncertainty" or "a major mystery".
"From further examination the print did not match any known primate species and I can conclude that this points towards there being a large unknown primate in the forests of Sumatra," he reported.
His mission was to observe and record the transit of Venus, the planet's passage across the disk of the sun, in 1769; to look for a large, unknown (and nonexistent, as he showed) continent in the South Pacific; and to chart the coastlines as he went.
IS, the report said, was known to illegally hold a large, unknown number of detainees for extended periods in multiple locations.
This modeling decision is justified as the Bernoulli distribution is well suited to encode the arrival of random requests from a large unknown population [10].
As the Enterprise crew continues its explorations, a large unknown alien craft enters orbit and begins to fire upon an older Bandi settlement near Farpoint Station and abducts Zorn.
In the present day, the United States government hastily assembles a group of scientists, including Princeton professor Dr. Helen Benson Jennifer Connellyy), to formulate a survival plan when it is feared that a large unknown object with a speed of approximately one-tenth the speed of light, is due to impact Manhattan.
"But there is a larger unknown in the form of these other regions of DNA, and in those we are only just beginning to find ways to pull out the differences between humans and chimpanzees".
In the SDRs, they may be directly involved in transcription as a promoter or enhancer, or indirectly involved as part of a larger unknown transcript.
27 28 Incident reports have thus been critiqued as 'a non-random sample of identified hazards from a larger unknown universe of hazards'.
Filming lasted 10 weeks with a large, mainly unknown cast and budget below £5m.
Fraudulent billing, duplicated and unnecessary services, and a large but unknown amount of defensive medicine compound the problem.
