名詞 magnitude:

1. the property of relative size or extent (whether large or small)
2. a number assigned to the ratio of two quantities; two quantities are of the same order of magnitude if one is less than 10 times as large as the other; the number of magnitudes that the quantities differ is specified to within a power of 10
   同義詞：order of magnitude
3. relative importance

1. Numerical data linearly ordered by magnitude.
   按量值大小直線形排列的數(shù)字?jǐn)?shù)據(jù)
2. You haven't realized the magnitude of her achievement.
   你沒(méi)有認(rèn)識(shí)到她這一成就的重大意義。
3. The magnitude of the epidemic was frightening.
   這種流行病傳播范圍之廣令人惶惶不安。

mag.ni.tude

n.Abbr. mag.（名詞）縮寫(xiě) mag.

Greatness of rank or position:
崇高：職務(wù)或者地位的重要：
例句：
.such duties as were expected of a landowner of his magnitude.(Anthony Powell)
.應(yīng)該由地位崇高的地主來(lái)?yè)?dān)負(fù)的責(zé)任.(安東尼·鮑威爾)

Greatness in size or extent:
巨大：尺寸或程度上的大：
例句：
The magnitude of the flood was impossible to comprehend.
這場(chǎng)水災(zāi)的危害性是無(wú)法了解的

Greatness in significance or influence:
重大：意義或者影響上的重大：
例句：
was shocked by the magnitude of the crisis.
被這場(chǎng)危機(jī)的嚴(yán)重程度震驚了

Astronomy The degree of brightness of a celestial body designated on a numerical scale, on which the brightest star has magnitude -.4 and the faintest visible star has magnitude ', with the scale rule such that a decrease of one unit represents an increase in apparent brightness by a factor of 2.52.Also called apparent magnitude
【天文學(xué)】 星的亮度：用數(shù)字化尺度表示出來(lái)的一個(gè)天體的亮度，最亮的星的星等為-.4；最昏暗的星等為'，在這種度量的規(guī)則下，星等減小一個(gè)單位表示外觀亮度增強(qiáng)2.52倍也作 apparent magnitude
Mathematics
【數(shù)學(xué)】
A number assigned to a quantity so that it may be compared with other quantities.
量值：用來(lái)表示數(shù)量多少的一個(gè)數(shù)字，以便和其他數(shù)量作比較
A property that can be quantitatively described, such as the volume of a sphere or the length of a vector.
可量化的值：可以用數(shù)字形式描述出來(lái)的特性，例如球體的面積或者向量的長(zhǎng)度
Geology A measure of the amount of energy released by an earthquake, as indicated on the Richter Scale.
【地質(zhì)學(xué)】 震級(jí)：衡量地震釋放出能量大小的單位，例如按里氏標(biāo)準(zhǔn)表示出來(lái)的級(jí)別

來(lái)源：
Middle English
中古英語(yǔ)
from Old French [size]
源自 古法語(yǔ) [尺寸]
from Latin magnitôdô [greatness, size]
源自 拉丁語(yǔ) magnitôdô [大；大小]
from magnus [great] * see meg-
源自 magnus [大的] *參見(jiàn) meg-