a defense system

USAGE SUMMARY

The phrase "a defense system" is correct and usable in written English.
It can be used when referring to a system designed to protect against threats or attacks, often in a military or cybersecurity context. Example: "The government has invested heavily in developing a defense system to protect the nation from potential cyber threats."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

58 human-written examples

It is a defense system.

The New York Times

Good conversation is a comfort, but it's finally not much of a defense system.

The New York Times

Most remarkably, some species of vine have developed a defense system of faux eggs.

The New York Times - Science

"At this stage, we are just talking about a robust testing and evaluation" of a defense system, she said.

The New York Times

The plan to buy a defense system from China shocked Washington and Brussels: The system would be incompatible with NATO's defenses.

The New York Times

As Happy, the younger son forever in pursuit of Dad's affection, Finn Wittrock provides a funny, poignant and ripely detailed study in virile vanity as a defense system.

The New York Times

The lawyers' findings could allow work on a defense system to begin while giving Mr. Clinton and his successor another year to decide whether to abrogate the treaty.

The New York Times

Furthermore, every country that can afford to help pay for such a defense system should be pressed to join the project.

The New York Times

To have a defense system in place by the target date of 2005, construction must begin on a radar system on Shemya Island in Alaska next spring.

The New York Times

Human-verified similar examples from authoritative sources

Similar Expressions

2 human-written examples

It's one reason why I think a missile defense system is an appropriate and valid investment for the country.

Huffington Post

We will be using a missile defense system to shoot down a satellite".

The New York Times

Expert writing Tips

Best practice

When describing complex protective measures, use "a defense system" to clearly indicate a structured and comprehensive approach. For example, "The city implemented a comprehensive defense system to protect against flooding."

Common error

Avoid using "a defense system" in casual conversations where simpler terms like "protection" or "security" are more appropriate. Overusing formal language can sound unnatural or pretentious.

Linguistic Context

A defense system functions as a noun phrase that identifies a structured approach designed to protect against potential threats or attacks. As Ludwig AI confirms, it is a grammatically sound and widely used phrase. Examples show it describing military shields, biological protections and cybersecurity, highlighting its role in safeguarding against external dangers.

Expression frequency: Very common

Frequent in

News & Media

43%

Science

42%

Wiki

3%

Less common in

Formal & Business

1%

Encyclopedias

1%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "a defense system" is a grammatically sound and frequently used term, as confirmed by Ludwig AI, that denotes a structured approach to protection against specific threats. It appears most commonly in news and media, and scientific contexts, indicating its broad applicability. While versatile, its more formal tone is better suited for professional and technical discussions than casual conversation. Consider using alternatives like ""a protective mechanism"" or ""a security infrastructure"" depending on the specific context to precisely convey your intended meaning.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

a protective mechanism

Emphasizes the method or process providing defense.

a security infrastructure

Highlights the underlying framework that ensures safety.

a safeguard

A more concise term emphasizing prevention of harm.

a shield

A simple, direct term for protection, often physical.

a line of defense

Focuses on a specific barrier or method used for protection.

a protective barrier

Highlights the blocking nature of the defense.

a security protocol

Emphasizes a set of rules and procedures for security.

a countermeasure

Suggests a specific action taken against a threat.

an immune response

Specifically used in biological contexts for internal defense.

a deterrent

Focuses on preventing attacks by instilling fear.

FAQs

How can I use "a defense system" in a sentence?

You can use "a defense system" to describe a structured approach to protection, like "The country invested in "a missile defense system"" or "The body has "an immune response" as "a defense system" against pathogens".

What phrases can I use instead of "a defense system"?

Depending on the context, alternatives to "a defense system" include "a protective mechanism", "a security infrastructure", or simply "a safeguard".

Is it appropriate to use "a defense system" in informal writing?

While grammatically correct, "a defense system" is generally more suitable for formal or technical writing. In informal contexts, simpler terms like "protection" or "security" may be more fitting.

What is the difference between "a defense system" and "a security system"?

"A defense system" typically implies protection against external threats, often in a military or cybersecurity context. "A security system" is broader and can refer to protection against various risks, including theft or unauthorized access.