zero altitude

USAGE SUMMARY

The phrase "zero altitude" is correct and usable in written English.
It can be used in contexts related to aviation, geography, or any situation where altitude is being measured or discussed. Example: "The aircraft maintained a zero altitude during the emergency landing."

✓ Grammatically correct

Science

News & Media

Wiki

Human-verified examples from authoritative sources

Exact Expressions

7 human-written examples

Riemann was exploring this landscape when he noticed that all of the locations that have zero altitude (points at "sea level" in our example) lie along an straight line with a "longitude" of 0.5 – which was completely unexpected.

The Guardian

"It also operates at zero altitude to extremely high altitude".

BBC

The local times of the collapses (8 45 6 00 and 15:15–18:00 LT) are close to the times of sunrise and sunset at zero altitude.

Earth, Planets and Space

Modern seats add the all-important capability of a "zero-zero" bailout - zero altitude, zero speed, according to Wing Commander Matthew Lewis, an accident investigator at the RAF Centre of Aviation Medicine at RAF Henlow in Bedfordshire in the UK.

BBC

As an additional option, the influence of the theoretically required axial load on the resulting meridian profile is also evaluated and the results show that the meridian curve returns to zero altitude at a certain magnitude of that axial load and thus forms a closed dome.

International Journal of Hydrogen Energy

Zero altitude was defined by the height at which there is 610.5 Pa of atmospheric pressure.

Wikipedia

Human-verified similar examples from authoritative sources

Similar Expressions

53 human-written examples

"I don't like the way it ends, like going into Denver and Utah, you get the two altitude cities," Carlesimo said.

The New York Times - Sports

And a single test flight at one altitude does not show that the entire concept of a red zone is a myth, as Mr O'Leary suggested on Tuesday.

Independent

Wiggins has eight weeks of mainly gym work, followed by the Tour of California and two altitude training camps before the team head for their holding camp at Newport.

The Guardian - Sport

The new system draws data from the Nexrad weather radar developed by the National Weather Service, the Defense Department and the aviation agency, and can display weather at three altitude ranges and in three colors, indicating intensity.

The New York Times

In order to investigate ion-neutral coupling, a correlative analysis was performed in two altitude regions.

Earth, Planets and Space

Expert writing Tips

Best practice

When describing a location or object at ground level, use "zero altitude" to provide a precise and technical description, particularly in scientific or engineering contexts.

Common error

Avoid using "zero altitude" when simpler terms like "ground level" or "sea level" are more appropriate for general audiences. Using the phrase in informal writing may sound overly technical or stilted.

Linguistic Context

The phrase "zero altitude" functions primarily as a noun phrase, often used as an adjective to describe a specific condition or capability. It refers to the state of being at ground level or a designated reference point with no height above it. Ludwig confirms its correct usage.

Expression frequency: Uncommon

Frequent in

Science

43%

News & Media

43%

Wiki

14%

Less common in

Formal & Business

0%

Academia

0%

Encyclopedias

0%

Ludwig's WRAP-UP

In summary, "zero altitude" is a grammatically sound noun phrase that describes a condition of being at ground level or a specific reference point with no height. It is used to specify location or condition. While Ludwig confirms its correctness, it's more suitable for technical or scientific contexts rather than informal settings. The phrase appears most frequently in Science and News & Media, marking its formal tone. Alternatives like "ground level" or "sea level" may be more appropriate in general conversation.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

ground level

Indicates the same elevation as the immediate surrounding terrain, often used interchangeably.

sea level

Refers to the average height of the ocean's surface, a common reference point for altitude.

base elevation

Denotes the starting height from which measurements are taken, similar to zero altitude.

minimum height

Emphasizes the lowest possible altitude or elevation.

lowest altitude

Directly indicates the condition of being at the smallest possible height above a reference point.

null elevation

A more technical term indicating the absence of height above a reference.

elevation zero

Inverts the phrase but retains the meaning of no height.

starting altitude

Implies the initial height, which could be zero in some contexts.

initial height

Similar to starting altitude, but can emphasize a gradual gain or loss of altitude from zero.

no elevation

Simple statement indicating the absence of height above a reference point.

FAQs

How is "zero altitude" defined in aviation?

In aviation, "zero altitude" typically refers to being at ground level or, in specific scenarios like a "zero-zero" ejection seat, the ability to safely eject from a stationary aircraft at ground level.

What is an alternative to "zero altitude" in everyday language?

In everyday language, you can use alternatives like "ground level" or "sea level" depending on the context.

Is it correct to use "zero altitude" interchangeably with "sea level"?

While related, "zero altitude" and "sea level" aren't always interchangeable. Sea level is a specific reference point, whereas "zero altitude" can refer to any defined ground level, including above sea level.

What does "zero altitude" mean in the context of ejection seats?

In the context of ejection seats, "zero altitude" (as in "zero-zero ejection seat") means the seat is designed to allow for safe ejection even when the aircraft is stationary on the ground.