magnitude
gb/mˈæɡnətˌud/ us/mˈæɡnətˌud/
B2
英语
~ 8500
义项
0 个义项
名词
B2
entity
1
overall size, extent, or importance
How big, serious, or important something is.
用法模式：
the magnitude of [something]
常见错误：
Learners sometimes use magnitude only for physical size and forget it is very common for non-physical things like problems, risks, or achievements. Another common mistake is to omit the preposition of, for example saying the magnitude the problem instead of the magnitude of the problem.
近义词
scale (Focuses on the overall size or level of something, especially when comparing things.)
|
extent (Stresses how far something reaches or how much it covers.)
|
seriousness (Emphasizes how severe or grave a situation is rather than its physical size.)
反义词
smallness (Direct opposite in terms of size or extent.)
|
insignificance (Opposite in terms of importance; suggests that something does not really matter.)
搭配
the magnitude of the problem
|sheer magnitude
|full magnitude
|true magnitude
|enormous magnitude
|unprecedented magnitude
主题
general
|society
|core_vocabulary
例句
- We underestimated the magnitude of the crisis until it began to affect every region of the country.
- The report makes clear the magnitude of the changes needed to reach our climate goals.
- Only later did she realize the true magnitude of her achievement.
- The sheer magnitude of the data breach shocked both customers and regulators.
- Historians still debate the magnitude of his influence on modern politics.
学习者例句
- They did not understand the magnitude of the problem.
- The news showed the magnitude of the storm damage.
- We were surprised by the magnitude of public support.
- The teacher explained the magnitude of our mistake.
- The company did not see the full magnitude of the risk.
名词
technical
C1
quantity
2
numerical size of a quantity
The number that shows how big a force, value, or other quantity is, without its direction or sign.
用法模式：
the magnitude of [a force/value]; [number]-magnitude [measurement]
常见错误：
Learners sometimes mix up magnitude with direction when talking about vectors, or they confuse magnitude with sign in mathematics. In many technical contexts, magnitude refers only to how big something is, not where it points or whether it is positive or negative.
近义词
size (Everyday word; less precise and not limited to numerical or scientific contexts.)
|
absolute value (Specific mathematical term for the magnitude of a real number regardless of sign.)
反义词
zero (Represents the absence of magnitude; a quantity with zero magnitude has no size or strength.)
搭配
vector magnitude
|magnitude of a force
|earthquake magnitude
|magnitude of acceleration
|magnitude of the velocity
|absolute magnitude
主题
science
|mathematics
|physics
|core_vocabulary
例句
- The magnitude of the force is 10 newtons, acting at an angle of 30 degrees.
- To find the magnitude of the vector, you take the square root of the sum of the squares of its components.
- The earthquake had a magnitude of 7.1 on the local scale.
- In this graph, the color shows the direction and the length shows the magnitude of the electric field.
- Even a small change in angle can greatly reduce the magnitude of the resulting acceleration.
学习者例句
- We calculated the magnitude of the vector in class.
- The earthquake reached a magnitude of 6.5.
- This formula gives the magnitude of the force on the object.
- You can show the magnitude of a number with its absolute value.
- The diagram compares the magnitudes of the different signals.
名词
technical
C2
quantity
3
brightness of a star on a scale
In astronomy, a number that shows how bright a star or planet is, where smaller numbers mean it is brighter.
用法模式：
[apparent/absolute] magnitude of [a star/object]
常见错误：
Learners often think that a higher magnitude number means a brighter star, but in astronomy the scale is reversed, so smaller or negative magnitudes are brighter.
近义词
brightness (General word; magnitude is the specific measured brightness on an astronomical scale.)
反义词
faintness (Describes very low brightness, the opposite of being bright on the magnitude scale.)
搭配
apparent magnitude
|absolute magnitude
|visual magnitude
|photometric magnitude
|magnitude scale
主题
science
|astronomy
|space
例句
- The star has an apparent magnitude of 1.2, so it is easily visible to the naked eye.
- Astronomers use absolute magnitude to compare the true brightness of stars at a standard distance.
- As the comet approached the Sun, its magnitude decreased and it became much easier to see.
- Objects with a visual magnitude greater than 6 are usually too faint to see without a telescope.
- On this chart, lower magnitude values indicate brighter galaxies.
学习者例句
- The star is very bright, with a low magnitude number.
- We learned how to find the apparent magnitude of a star.
- Absolute magnitude shows how bright a star really is.
- A star with magnitude 2 is brighter than a star with magnitude 5.
- The telescope lets us see objects with very high magnitude values.
语法
词典原形
magnitude
IPA
GB/mˈæɡnətˌud/
US/mˈæɡnətˌud/
音节与重音
mag - nitude （2 个音节）
Stress on 1st syllable (mag)
词形变化
Noun
- Base: magnitude
- Plural: magnitude, magnitudes
词族
相关表达
of the first magnitude
1/əv ðə fˈɚst mˈæɡnətˌud/
idiom
literary
of the very highest importance
Extremely important or very great in degree.
例句
- This discovery is an event of the first magnitude in medical research.
- The scandal was a political crisis of the first magnitude.
order of magnitude
1/ˈɔɹdɚ əv mˈæɡnətˌud/
fixed phrase
step on a size scale
A level of size or amount, usually meaning about ten times bigger or smaller than another level.
例句
- The new processor is an order of magnitude faster than the previous model.
- Their budget is two orders of magnitude larger than ours, so they can advertise everywhere.
- This change reduced the error by an order of magnitude, which is a huge improvement.
same order of magnitude
1/sˈeɪm ˈɔɹdɚ əv mˈæɡnətˌud/
fixed phrase
roughly similar in scale or size
About the same size or amount, not very different in level.
例句
- Their salaries are in the same order of magnitude, so the comparison is fair.
- The two cities have populations of the same order of magnitude, but very different cultures.
- The repair costs ended up in the same order of magnitude as buying a new car.