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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
hidden formula
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "hidden formula" is correct and usable in written English.
It can be used to refer to a secret or undisclosed method or equation that produces a specific result, often in contexts like mathematics, science, or even business strategies. Example: "The chef revealed his hidden formula for the perfect chocolate cake, which had been a closely guarded secret for years."
✓ Grammatically correct
Alternative expressions(1)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
Some go further, hiding formulas in a sleeve or in a bathroom stall, Googling facts on an iPhone or snapping a photo of test questions to send to a smart friend for help.
News & Media
More importantly, all the logic we applied to compute our results were hidden as formulae in cells.
News & Media
Having disclosed their status might have psychological benefits as they do not have to hide while formula feeding.
Science
We have to speak of the Europe of the citoyen, the citizen, the burgermaatschappij, the ciudadano, the obywatel, etc, thus of the antagonisms hidden in the unifying formula "Europe of the citizens".
News & Media
He and his nephews gathered fifty-five packages of formula, hid them under their clothes, and travelled to meet her at a café.
News & Media
"If we could make more of us, then the humans would have to accept our existence," she says, with a glint in her eye when Leo informs her that his dad hid the secret formula for giving synths consciousness in his family of dollies.
News & Media
This being a series about the lies we tell to each other and to ourselves, Alex's cylinder hides a formula to facilitate "the end of lies".
News & Media
Much of the public outrage in China over the dairy scandal is focused on how the problem remained hidden for months as parents bought bad formula without realizing they were poisoning their babies.
News & Media
The formula for your self-discovery may be hidden in a book.
Wiki
After deciding she can't do this to her gentle employers, she decides to complete a British spying mission instead, by stealing the formula for a secret explosive, taking a sample home to London hidden in her hat.
News & Media
The formula that private lenders use to do this analysis is often hidden or remarkably opaque.
News & Media
Expert writing Tips
Best practice
When using "hidden formula", ensure the context clearly indicates what is being hidden, whether it's a calculation, method, or recipe.
Common error
Avoid using "hidden formula" when a simpler term like "secret" or "unexplained" would suffice. Overusing the phrase can make your writing sound overly complex or dramatic.
Source & Trust
60%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "hidden formula" functions as a noun phrase, where "hidden" modifies the noun "formula". It typically identifies a method or equation that is deliberately kept secret or not readily apparent.
Frequent in
Science
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News & Media
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Formal & Business
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Less common in
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Ludwig's WRAP-UP
In summary, "hidden formula" is a noun phrase referring to a secret or undisclosed method. While grammatical and understandable, Ludwig indicates that examples of its usage are currently limited. Alternative phrases like "secret formula" or "undisclosed formula" may be considered depending on the desired nuance. When employing "hidden formula", ensure the context clearly establishes the specific entity to which the secret applies. The phrase is suitable for neutral or professional writing, but avoid overusing it to prevent sounding overly dramatic.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
secret formula
Replaces "hidden" with "secret", emphasizing the confidential nature of the formula.
undisclosed formula
Uses "undisclosed" instead of "hidden", highlighting that the formula hasn't been revealed.
covert formula
Replaces "hidden" with "covert", implying secrecy and possibly deception.
concealed formula
Uses "concealed", emphasizing the act of keeping the formula from being known.
secret recipe
Substitutes "formula" with "recipe", implying a specific set of ingredients or steps kept secret.
unrevealed method
Replaces both "hidden" and "formula" to indicate a process that has not been made public.
private formula
Emphasizes that the formula is restricted to a limited group or individual.
esoteric formula
Suggests the formula is known only to a select few with specialized knowledge.
proprietary formula
Indicates the formula is legally protected and owned by a specific entity.
closely guarded secret
Replaces the entire phrase with a more general term for something kept strictly confidential.
FAQs
How can "hidden formula" be used in a sentence?
You might say, "The company's success relies on a "hidden formula" for customer retention" or "Scientists are trying to decipher the "hidden formula" behind the plant's unusual growth pattern".
What is a common synonym for "hidden formula"?
A common synonym is "secret formula", which also suggests something confidential and not widely known.
Is it appropriate to use "hidden formula" in formal writing?
Yes, "hidden formula" can be used in formal writing, particularly when discussing scientific or business strategies where a precise, yet undisclosed, method is relevant.
What's the difference between "hidden formula" and "proprietary formula"?
"Hidden formula" implies something is simply not revealed, while "proprietary formula" suggests the formula is legally protected and owned by a specific entity.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
60%
Authority and reliability
4.1/5
Expert rating
Real-world application tested