Used and loved by millions
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
less-than symbol
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "less-than symbol" is correct and usable in written English.
It can be used when referring to the mathematical symbol "<" that indicates a value is smaller than another value. Example: "In programming, the less-than symbol is often used in conditional statements to compare values."
✓ Grammatically correct
Science
News & Media
Wiki
Alternative expressions(4)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
1 human-written examples
Participating advertisers place a small button on ads with the AdKeeper logo — a "K" formed by an exclamation point and less-than symbol — and when a consumer clicks the button, the ad is stored on a page on AdKeeper.com along with any others the consumer has saved.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
Even if, as some critics have complained uncharitably, Russ's pi glyphs, greater-than and less-than symbols and such don't make sense.
News & Media
In cultures incubated in sealed vials growth is accompanied by a continuous decrease in oxygen concentration, which is indicated in the lettering of figures and tables by a "less than" symbol in front of the initial oxygen concentration.
Science
Results below this are typically reported with a "less than" symbol.
Science
If a player belongs to a guild, the guild name will be displayed below the character's name enclosed within a greater than and less than symbol so it's easy for other players to identify if they already belong to another guild.
Wiki
Then, partition the remaining symbols into groups, each having symbols, except that the th group may have less than symbols.
It is pointed out that if the last group has less than symbols, then the calculation through (19)–(23) needs to be carried out based on the actual number of symbols.
As long as we focus on numbers and declare victory when the greater than and less than symbols converge, we will have achieved nothing of any lasting value.
News & Media
A minaret, by contrast, is no more and no less than a symbol.
News & Media
She had become nothing less than a symbol of Time itself, a reminder of the good intentions of the past and a warning about what might happen once she was gone and, with her, the dream of a united Europe.
News & Media
The $4 billion tower includes an Armani hotel, an observation deck, homes, offices and more, and is nothing less than "a symbol of Dubai's can-do spirit," according to the building's owner, state-owned Emaar Properties.
News & Media
Expert writing Tips
Best practice
When writing about mathematical or programming concepts, clearly define the "less-than symbol" or its equivalent (like "<") to avoid ambiguity, especially for non-technical audiences.
Common error
Avoid using the "less-than symbol" incorrectly in contexts where it doesn't logically apply. For instance, don't use it to describe qualitative differences unless those differences can be quantified in some way.
Source & Trust
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "less-than symbol" functions as a noun phrase, specifically identifying a mathematical symbol. Ludwig's examples show its usage in defining and explaining this symbol across various fields.
Frequent in
Science
40%
News & Media
30%
Wiki
20%
Less common in
Formal & Business
5%
Encyclopedias
3%
Reference
2%
Ludwig's WRAP-UP
The phrase "less-than symbol" accurately refers to the mathematical symbol "<", signifying that one value is smaller than another. Ludwig indicates that it is grammatically correct, though its frequency is relatively rare. It's commonly found in scientific, news media, and wiki contexts. While alternatives like "less-than sign" exist, using the symbol directly is often preferred in technical writing for conciseness. When using the phrase, ensure that it’s employed in contexts where quantitative comparison is appropriate. According to Ludwig AI, this noun phrase serves a primarily descriptive and explanatory role.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
less-than sign
This is a direct synonym, simply using "sign" instead of "symbol".
the "<" symbol
This refers to the symbol directly, using quotation marks to denote it as a character.
mathematical symbol for less than
This is a more descriptive way to refer to the symbol, specifying its mathematical context.
smaller than symbol
This alternative utilizes simpler phrasing, substituting "less" for "smaller".
the symbol '<' meaning 'less than'
This alternative specifies both the symbol and its meaning explicitly.
inequality symbol
This term broadens the scope to include both less-than and greater-than symbols, as they both represent inequalities.
the less-than operator
Refers to the symbol as an operator, particularly in programming contexts.
the character '<'
Focuses on the character itself rather than its symbolic meaning, using single quotes to denote the character.
the sign representing 'less than'
This phrase uses a more verbose way to describe what the symbol signifies.
the '<' glyph
Uses the term "glyph" to refer to the visual representation of the symbol.
FAQs
How is the "less-than symbol" used in mathematics?
The "less-than symbol" (<) is used to indicate that one value is smaller than another. For example, 5 < 10 means that 5 is less than 10.
What's the difference between "less-than symbol" and "less-than or equal to symbol"?
The "less-than symbol" (<) means a value is strictly smaller, while the less-than or equal to symbol (≤ or <=) means a value is smaller or equal to another.
Where can I find the "less-than symbol" on my keyboard?
The "less-than symbol" (<) is typically located on the same key as the comma (,) on most standard keyboards. You don't need to press shift to type it.
Can I use words instead of the "less-than symbol"?
Yes, you can use phrases like "is less than", "smaller than", or "is below" depending on the context. However, in mathematical or programming contexts, the symbol is preferred for brevity and clarity.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested