Word · Frequency #7338
Lambert
[计] 兰伯特 / [医] 朗伯（亮度单位）
a cgs unit of illumination equal to the brightness of a perfectly diffusing surface that emits or reflects one lumen per square centimeter
- 1.
a cgs unit of luminance; the brightness of a surface that emits one lumen per square centimetre
厘米-克-秒制亮度单位；每平方厘米发射一流明的表面的亮度。
英国作曲家和指挥家（1905-1951）；厘米-克-秒制亮度单位；每平方厘米发射一流明的表面的亮度。；兰伯特；[医] 朗伯(亮度单位)
In use
The old monitor emitted a brightness of only 12 lamberts.
To achieve the desired luminance, the engineer set the lamp to output 50 lamberts.
The matte surface reflects light evenly, producing a constant brightness of 8 lamberts.
a lambert of light
朗伯是亮度单位，常用于光学领域。
The screen brightness is measured in lamberts.
屏幕亮度以朗伯为单位测量。
Lambert + verb
指英国作曲家Constant Lambert。
Lambert composed several symphonies.
兰伯特创作了几部交响曲。
unit: lambert
用于描述亮度。
One lambert equals one lumen per square centimeter.
1朗伯等于1流明每平方厘米。
Common mistakes
The brightness was 10 lambarts.The brightness was 10 lamberts.
拼写错误：名词lambert的复数形式直接加-s，拼写为lamberts，而非lambarts。
The light is 10 lambert.The light is 10 lamberts.
可数名词错误：lambert作为可数单位名词，当数量大于1时应使用复数形式lamberts。
Connections
Collocations
- Lambert's law
- 朗伯定律
- Lambert's law describes the relationship between illumination and the angle of incidence.朗伯定律描述了照度与入射角之间的关系。
- Lambertian surface
- 朗伯表面
- A Lambertian surface appears equally bright from all directions.朗伯表面从各个方向看亮度相同。
- Lambertian emitter
- 朗伯发射体
- An ideal Lambertian emitter radiates energy uniformly in all directions.理想的朗伯发射体在各个方向均匀辐射能量。
Word family
Learner notes
Memory Tip
联想“lam”像“lamp”（灯），再记“bert”为“伯特”，灯亮度的单位就是“兰伯特”。
Context & Register
中性，专业术语，多用于物理学或光度学领域
Grammar Note
A unit of luminance (cgs system) or a proper noun referring to a person.
Pronunciation & Spelling
These words share the spelling ending '-bert' but have different stressed vowel sounds; they do not rhyme with 'lambert' (stressed vowel /æ/ vs /æ/ in 'Albert' only partially, but final syllable differs).
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.