bloom

noun

• A blossom; the flower of a plant; an expanded bud.
• Flowers, collectively.
• The opening of flowers in general; the state of blossoming or of having the flowers open.

  "The cherry trees are in bloom."

• A state or time of beauty, freshness, and vigor; an opening to higher perfection, analogous to that of buds into blossoms.

  "the bloom of youth"

• Rosy colour; the flush or glow on a person's cheek.
• The delicate, powdery coating upon certain growing or newly-gathered fruits or leaves, as on grapes, plums, etc.
• Anything giving an appearance of attractive freshness.
• The clouded appearance which varnish sometimes takes upon the surface of a picture.
• A yellowish deposit or powdery coating which appears on well-tanned leather.
• A bright-hued variety of some minerals.

  "the rose-red cobalt bloom"

• A white area of cocoa butter that forms on the surface of chocolate when warmed and cooled.
• An undesirable halo effect that may occur when a very bright region is displayed next to a very dark region of the screen.