declination

USAGE SUMMARY

The word 'declination' is correct and usable in written English.
It can be used to describe a change in pitch or volume (for example, a decrease in enthusiasm), or as a technical term in astronomy (the angle of the sun's rays). For example: The declination of the sun's rays altered the temperature of the room.

✓ Grammatically correct

Encyclopedias

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

The essential feature is the measurement of the magnetic-field intensity and sometimes the magnetic inclination, or dip, and declination (departure from geographic north) at several stations.

Encyclopedia Britannica

Mensa, ( Latin: "Table") constellation in the southern sky at about 6 hours right ascension and 80° south in declination.

Encyclopedia Britannica

Draco, ( Latin: "Dragon") constellation in the northern sky at about 18 hours right ascension and 70° north in declination.

Encyclopedia Britannica

Hydra, ( Latin: "Water Snake") constellation in the southern sky that stretches from 8 to 15 hours right ascension and from about 5° north to 30° south in declination.

Encyclopedia Britannica

At the summer solstice (in the Northern Hemisphere), around June 21, the Sun attains its greatest declination north and is directly over the Tropic of Cancer.

Encyclopedia Britannica

Tucana, ( Latin: "Toucan") constellation in the southern sky at about 0 hour right ascension and 60° south in declination.

Encyclopedia Britannica

Ophiuchus, ( Latin: "Serpent Bearer") constellation at about 17 hours right ascension and on the celestial equator in declination.

Encyclopedia Britannica

North declination is considered positive and south, negative.

Encyclopedia Britannica

Puppis, ( Latin: "Stern") constellation in the southern sky at about 8 hours right ascension and 30° south in declination.

Encyclopedia Britannica

Volans, ( Latin: "Flying") constellation in the southern sky at about 8 hours right ascension and 70° south in declination.

Encyclopedia Britannica

Horologium, ( Latin: "Clock") constellation in the southern sky at about 3 hours right ascension and 50° south in declination.

Encyclopedia Britannica

Expert writing Tips

Best practice

In contexts outside of astronomy, use "declination" to add a formal or technical tone when describing a decline or deviation.

Common error

Avoid using "declination" interchangeably with "decline" in all contexts. "Decline" is a more general term, while "declination" often implies a specific angle or deviation, particularly in technical fields such as astronomy and magnetism.

Linguistic Context

The primary grammatical function of "declination" is as a noun. It can denote the act of declining or deviating, an angle in astronomy, or the difference between magnetic north and true north. Ludwig examples highlight its use in technical contexts, as confirmed by Ludwig AI.

Expression frequency: Very common

Frequent in

Encyclopedias

60%

Science

30%

News & Media

5%

Less common in

Formal & Business

2%

Wiki

2%

Reference

1%

Ludwig's WRAP-UP

In summary, "declination" is a noun with multiple meanings, ranging from a technical term in astronomy and magnetism to a more general reference to decline or deviation. As Ludwig AI notes, its usage is grammatically correct and most common in encyclopedic and scientific contexts. When using "declination", be mindful of its specific connotations and choose it appropriately for the intended context, avoiding confusion with the more general term "decline".

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

decline

A general term for a gradual worsening or reduction.

decrease

This alternative highlights a reduction in quantity, quality, or intensity.

reduction

Focuses on the act or process of making something smaller or less.

falloff

Implies a decrease, often suddenly or unexpectedly.

deterioration

Focuses on the process of becoming worse or impaired.

downward trend

This alternative focuses on the directional aspect of a decline, emphasizing a movement from a higher to a lower state.

descent

This emphasizes the act of moving downward, either literally or figuratively.

regression

Suggests a return to a previous, often less desirable, state.

wane

Suggests a gradual decline in power, influence, or extent.

diminution

A more formal term for the act of lessening or decreasing.

FAQs

How is "declination" used in astronomy?

In astronomy, "declination" refers to the angular distance of a celestial body north or south of the celestial equator. It's paired with right ascension to specify the position of objects in the sky.

What does "magnetic declination" mean?

"Magnetic declination" is the angle between magnetic north and true north at a given location. This is important for accurate navigation using compasses.

Which is correct, "declination" or "decline"?

Both are correct, but they have different meanings. "Declination" can refer to a specific angle or deviation, especially in technical contexts. "Decline" is a more general term for a decrease or worsening.

How can I use "declination" in a sentence?

You can use "declination" in sentences related to astronomy, like "The star's declination is +45 degrees". You can also use it to describe a downward trend, such as "The declination of interest in the topic was noticeable".