al|be|do

al|be|do «al BEE doh», noun, plural -dos.

1. the ratio of light reflected to light received by a planet or other heavenly body: »

Neptune's albedo, or reflecting power, is a little less than that of Venus (E. C. Slipher).

2. Nuclear Physics. the ratio of the number of neutrons coming out of a medium (not itself a source) to the number o neutrons entering it.

3. the white and spongy inner part of the rind of a citrus fruit that contains the jelling substance pectin.

╂[< Latin albēdō whiteness < albus white]