pleochroism

简明释义

英[pliˈɒkrəʊɪzəm]美[pliˈɑkroˌɪzəm]

n. [晶体] 多向色性；多色现象

英英释义

单词用法

同义词

反义词

例句

1.The gemstone exhibits pleochroism, meaning it shows different colors when viewed from different angles.

这颗宝石表现出变色现象，意味着从不同角度观察时会呈现出不同的颜色。

2.In the study of minerals, pleochroism is an important characteristic that helps in identification.

在矿物研究中，变色现象是一个重要特征，有助于识别。

3.When examining the crystal under polarized light, we noticed its pleochroism was quite pronounced.

在偏振光下检查水晶时，我们注意到其变色现象非常明显。

4.The pleochroism of tourmaline can make it appear green from one angle and pink from another.

电气石的变色现象使其从一个角度看起来是绿色，从另一个角度看起来是粉色。

5.Understanding pleochroism is essential for gemologists when assessing the value of a gemstone.

了解变色现象对于宝石学家评估宝石价值至关重要。

作文

Pleochroism is a fascinating optical phenomenon that occurs in certain crystalline materials. This unique property allows these crystals to exhibit different colors when viewed from different angles or under varying lighting conditions. The term 'pleochroism' comes from the Greek words 'pleo,' meaning 'more,' and 'chroa,' meaning 'color.' In essence, it refers to the ability of a material to show multiple colors depending on the direction of light passing through it. This characteristic is especially prominent in minerals like tourmaline and cordierite, which are often used in jewelry and decorative objects. Understanding pleochroism (偏光色) can enhance our appreciation of the natural world, particularly in geology and mineralogy. For instance, when geologists study rocks and minerals, they often examine them under polarized light to identify their properties. During this process, the pleochroism (偏光色) of certain minerals can provide critical information about their composition and formation history. By observing how the color changes with different angles of light, scientists can make educated guesses about the conditions under which the mineral formed. In addition to its scientific significance, pleochroism (偏光色) also has artistic implications. Jewelry designers frequently take advantage of this phenomenon to create stunning pieces that change appearance based on the angle from which they are viewed. For example, a ring featuring a pleochroic (具有偏光色的) gemstone may appear blue from one angle and green from another, captivating the observer with its dynamic beauty. This quality not only enhances the aesthetic appeal of the jewelry but also adds an element of intrigue, as the wearer can enjoy a different visual experience depending on how they move. Moreover, pleochroism (偏光色) has practical applications in various industries, including optics and electronics. In the field of optics, materials exhibiting pleochroism (偏光色) are utilized in polarizing filters and other optical devices. These materials can selectively absorb certain wavelengths of light, making them invaluable for enhancing image quality and reducing glare in cameras and sunglasses. In conclusion, pleochroism (偏光色) is not just a scientific curiosity; it bridges the gap between nature and art, offering insights into the complexity of materials while also inspiring creativity. Whether one is studying the geological formations of the Earth or admiring a piece of jewelry, recognizing the role of pleochroism (偏光色) can deepen our understanding and appreciation of the world around us. As we continue to explore the properties of materials, the study of pleochroism (偏光色) will undoubtedly remain an intriguing and important topic in both science and art.

偏光色是一种迷人的光学现象，发生在某些晶体材料中。这种独特的特性使得这些晶体在不同的角度或不同的光照条件下展现出不同的颜色。术语“偏光色”源于希腊词“pleo”，意为“更多”，和“chroa”，意为“颜色”。本质上，它指的是一种材料在光线通过时根据方向显示多种颜色的能力。这一特性在如电气石和青石等矿物中尤为突出，这些矿物常用于珠宝和装饰物品。 理解pleochroism（偏光色）可以增强我们对自然世界的欣赏，特别是在地质学和矿物学中。例如，当地质学家研究岩石和矿物时，他们经常在偏振光下观察它们，以识别其特性。在这个过程中，某些矿物的pleochroism（偏光色）可以提供有关其成分和形成历史的重要信息。通过观察颜色如何随光线不同角度变化，科学家可以对矿物形成的条件做出合理的推测。 除了科学意义外，pleochroism（偏光色）还有艺术上的含义。珠宝设计师经常利用这一现象来创造令人惊叹的作品，这些作品根据观看角度的不同而改变外观。例如，一枚带有pleochroic（具有偏光色的）宝石的戒指，从一个角度看可能是蓝色，而从另一个角度看则是绿色，吸引观察者的目光。这一特质不仅增强了珠宝的美学吸引力，还增加了一种神秘感，因为佩戴者可以根据自己的移动享受不同的视觉体验。 此外，pleochroism（偏光色）在光学和电子等多个行业中也有实际应用。在光学领域，表现出pleochroism（偏光色）的材料被用于偏振滤光器和其他光学设备。这些材料可以选择性地吸收某些波长的光，使其在提高相机和太阳镜的图像质量和减少眩光方面变得不可或缺。 总之，pleochroism（偏光色）不仅仅是一个科学好奇心；它在自然与艺术之间架起了桥梁，提供了对材料复杂性的见解，同时也激发了创造力。无论是在研究地球的地质构造，还是欣赏一件珠宝，认识到pleochroism（偏光色）的作用都能加深我们对周围世界的理解和欣赏。随着我们继续探索材料的特性，pleochroism（偏光色）的研究无疑将继续成为科学和艺术中一个引人入胜且重要的话题。