Definition of indicatrix in English:

indicatrix

(also optical indicatrix)

nounPlural indicatrices ˌɪndɪˈkeɪtrɪksɪnˈdɪkətrɪksˈindiˌkātriks

Crystallography

An imaginary ellipsoidal surface whose axes represent the refractive indices of a crystal for light following different directions with respect to the crystal axes.
〔晶体〕折射率椭球
Example sentencesExamples
- Other contributions to differential geometry which occur in this work include his invention of the ‘Dupin indicatrix’ which gives an indication of the local behaviour of a surface up to the terms of degree two.

Origin

Late 19th century: modern Latin, feminine of Latin indicator 'something that points out'.

Definition of indicatrix in US English:

indicatrix

(also optical indicatrix)

nounˈindiˌkātriks

Crystallography

An imaginary ellipsoidal surface whose axes represent the refractive indices of a crystal for light following different directions with respect to the crystal axes.
〔晶体〕折射率椭球
Example sentencesExamples
- Other contributions to differential geometry which occur in this work include his invention of the ‘Dupin indicatrix’ which gives an indication of the local behaviour of a surface up to the terms of degree two.

Origin

Late 19th century: modern Latin, feminine of Latin indicator ‘something that points out’.

单词	indicatrix
释义	Definition of indicatrix in English: indicatrix (also optical indicatrix) nounPlural indicatrices ˌɪndɪˈkeɪtrɪksɪnˈdɪkətrɪksˈindiˌkātriks Crystallography An imaginary ellipsoidal surface whose axes represent the refractive indices of a crystal for light following different directions with respect to the crystal axes. 〔晶体〕折射率椭球 Example sentencesExamples Other contributions to differential geometry which occur in this work include his invention of the ‘Dupin indicatrix’ which gives an indication of the local behaviour of a surface up to the terms of degree two. Origin Late 19th century: modern Latin, feminine of Latin indicator 'something that points out'. Definition of indicatrix in US English: indicatrix (also optical indicatrix) nounˈindiˌkātriks Crystallography An imaginary ellipsoidal surface whose axes represent the refractive indices of a crystal for light following different directions with respect to the crystal axes. 〔晶体〕折射率椭球 Example sentencesExamples Other contributions to differential geometry which occur in this work include his invention of the ‘Dupin indicatrix’ which gives an indication of the local behaviour of a surface up to the terms of degree two. Origin Late 19th century: modern Latin, feminine of Latin indicator ‘something that points out’.
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