Assertion: dye's color | /r/CapableOf | vary by reflection
Facets:
value: by transmission
type: MANNER
value: from green
type: OTHER
Source sentences:
text: The color of its aqueous solution varies from green to orange as a function of the way it is observed: by reflection or by transmission, as can be noticed in bubble levels, for example, in which fluorescein is added as a colorant to the alcohol filling the tube in order to increase the visibility of the air bubble contained within (thus enhancing the precision of the instrument).