Definition of colour index in English:

colour index

(US color index)

noun

1Medicine the ratio of the quantity of haemoglobin to the number of red blood cells present in a blood sample (now rare).
2Astronomy a number representative of the colour (and hence the temperature) of a star, equal to the difference in its magnitude (brightness) at two chosen wavelengths, typically blue and green-yellow, or ultraviolet and blue.
3Geology a number expressing the percentage of dark-coloured minerals (typically ferromagnesian ones) in an igneous rock.

Origin

Mid 19th century; earliest use found in British Journal Homoeopathy.

Definition of colour index in US English:

colour index

(US color index)

noun

1Medicine the ratio of the quantity of haemoglobin to the number of red blood cells present in a blood sample (now rare).
2Astronomy a number representative of the colour (and hence the temperature) of a star, equal to the difference in its magnitude (brightness) at two chosen wavelengths, typically blue and green-yellow, or ultraviolet and blue.
3Geology a number expressing the percentage of dark-coloured minerals (typically ferromagnesian ones) in an igneous rock.

Origin

Mid 19th century; earliest use found in British Journal Homoeopathy.

单词	colour index
释义	Definition of colour index in English: colour index (US color index) noun 1Medicine the ratio of the quantity of haemoglobin to the number of red blood cells present in a blood sample (now rare). 2Astronomy a number representative of the colour (and hence the temperature) of a star, equal to the difference in its magnitude (brightness) at two chosen wavelengths, typically blue and green-yellow, or ultraviolet and blue. 3Geology a number expressing the percentage of dark-coloured minerals (typically ferromagnesian ones) in an igneous rock. Origin Mid 19th century; earliest use found in British Journal Homoeopathy. Definition of colour index in US English: colour index (US color index) noun 1Medicine the ratio of the quantity of haemoglobin to the number of red blood cells present in a blood sample (now rare). 2Astronomy a number representative of the colour (and hence the temperature) of a star, equal to the difference in its magnitude (brightness) at two chosen wavelengths, typically blue and green-yellow, or ultraviolet and blue. 3Geology a number expressing the percentage of dark-coloured minerals (typically ferromagnesian ones) in an igneous rock. Origin Mid 19th century; earliest use found in British Journal Homoeopathy.
随便看	catchfly catch/get a glimpse of catch hell catch-hold catch hold of catchier catchiest catchily catchily catch (in) catch in an unguarded moment catchiness catchiness catch in flagrante delicto catching catching catching fish catchings catch in the act catch it catch it catch it in the neck catchlight catch light catchline