Definition of pleochroic in English:

pleochroic

adjective ˌpliːə(ʊ)ˈkrəʊɪkˌplēəˈkrōik

(of a crystal) absorbing different wavelengths of light differently depending on the direction of incidence of the rays or their plane of polarization, often resulting in the appearance of different colours according to the direction of view.
（晶体）多向色性的，多色的
Example sentencesExamples
- The crystals lacked the characteristic pleochroic color scheme of piemontite.
- It generally occurs as euhedral-subhedral hexagonal books, which commonly display a mottled green-brown pleochroic appearance.
- Crystals are strongly pleochroic, resulting in distinctly different colors when viewed in different optic directions.
- In this book Joly also discussed the measurement of the radioactivity of rocks and the origin of pleochroic haloes.
- Augite is generally complexly zoned and pleochroic and has Ti-rich rims.

Derivatives

pleochroism

noun

Biotite occurs as interstitial grains with strong pleochroism from light yellowish-green to dark brown.
Example sentencesExamples
- Cordierite is often referred to as dichorite because of its strong pleochroism, which produces gemstones that appear to change shades of color, depending on the viewing angle.
- Biotite shows the same pleochroism as in the granodiorite.
- Optically, purple apatite commonly shows slight bluish to reddish pleochroism.
- These produced iolite gems with excellent transparency and pleochroism; they weighed 0.5, 1.0, and 1.49 carats.

Origin

Mid 19th century: from pleo- 'more' + khrōs 'colour' + -ic.

Definition of pleochroic in US English:

pleochroic

adjectiveˌplēəˈkrōik

(of a crystal) absorbing different wavelengths of light differently depending on the direction of incidence of the rays or their plane of polarization, often resulting in the appearance of different colors according to the direction of view.
（晶体）多向色性的，多色的
Example sentencesExamples
- Crystals are strongly pleochroic, resulting in distinctly different colors when viewed in different optic directions.
- In this book Joly also discussed the measurement of the radioactivity of rocks and the origin of pleochroic haloes.
- Augite is generally complexly zoned and pleochroic and has Ti-rich rims.
- The crystals lacked the characteristic pleochroic color scheme of piemontite.
- It generally occurs as euhedral-subhedral hexagonal books, which commonly display a mottled green-brown pleochroic appearance.

Origin

Mid 19th century: from pleo- ‘more’ + khrōs ‘color’ + -ic.

单词	pleochroic
释义	Definition of pleochroic in English: pleochroic adjective ˌpliːə(ʊ)ˈkrəʊɪkˌplēəˈkrōik (of a crystal) absorbing different wavelengths of light differently depending on the direction of incidence of the rays or their plane of polarization, often resulting in the appearance of different colours according to the direction of view. （晶体）多向色性的，多色的 Example sentencesExamples The crystals lacked the characteristic pleochroic color scheme of piemontite. It generally occurs as euhedral-subhedral hexagonal books, which commonly display a mottled green-brown pleochroic appearance. Crystals are strongly pleochroic, resulting in distinctly different colors when viewed in different optic directions. In this book Joly also discussed the measurement of the radioactivity of rocks and the origin of pleochroic haloes. Augite is generally complexly zoned and pleochroic and has Ti-rich rims. Derivatives pleochroism noun Biotite occurs as interstitial grains with strong pleochroism from light yellowish-green to dark brown. Example sentencesExamples Cordierite is often referred to as dichorite because of its strong pleochroism, which produces gemstones that appear to change shades of color, depending on the viewing angle. Biotite shows the same pleochroism as in the granodiorite. Optically, purple apatite commonly shows slight bluish to reddish pleochroism. These produced iolite gems with excellent transparency and pleochroism; they weighed 0.5, 1.0, and 1.49 carats. Origin Mid 19th century: from pleo- 'more' + khrōs 'colour' + -ic. Definition of pleochroic in US English: pleochroic adjectiveˌplēəˈkrōik (of a crystal) absorbing different wavelengths of light differently depending on the direction of incidence of the rays or their plane of polarization, often resulting in the appearance of different colors according to the direction of view. （晶体）多向色性的，多色的 Example sentencesExamples Crystals are strongly pleochroic, resulting in distinctly different colors when viewed in different optic directions. In this book Joly also discussed the measurement of the radioactivity of rocks and the origin of pleochroic haloes. Augite is generally complexly zoned and pleochroic and has Ti-rich rims. The crystals lacked the characteristic pleochroic color scheme of piemontite. It generally occurs as euhedral-subhedral hexagonal books, which commonly display a mottled green-brown pleochroic appearance. Origin Mid 19th century: from pleo- ‘more’ + khrōs ‘color’ + -ic.
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