What does "coral bleaching" mean?

The loss of colour in a coral reef due to the loss of symbiotic algae as a result of stress.

Coral bleaching

Common synonyms include: algae expulsion, bleached, color loss, coral reef bleaching, ecosystem stress, mass coral bleaching.

noun

noun ·Rare ·Advanced level

Noun

1
The loss of colour in a coral reef due to the loss of symbiotic algae as a result of stress. uncountable, usually