What is Bloom?

Bloom definition and meaning on Dictionary terms:
the flower of a plant.
flowers collectively: the bloom of the cherry tree.

state of having the buds opened: The gardens are all in bloom.
a flourishing, healthy condition; the time or period of greatest beauty, artistry, etc.: the bloom of youth; the bloom of Romanticism.
a glow or flush on the cheek indicative of youth and health: a serious illness that destroyed her bloom.
the glossy, healthy appearance of the coat of an animal.
a moist, lustrous appearance indicating freshness in fish.
redness or a fresh appearance on the surface of meat.
Botany. a whitish powdery deposit or coating, as on the surface of certain fruits and leaves: the bloom of the grape.
any similar surface coating or appearance: the bloom of newly minted coins.
any of certain minerals occurring as powdery coatings on rocks or other minerals.
Also called chill. a clouded or dull area on a varnished or lacquered surface.
Also called algal bloom, water bloom. the sudden development of conspicuous masses of organisms, as algae, on the surface of a body of water.
Television. image spread produced by excessive exposure of highlights in a television image.

verb (used without object)
to produce or yield blossoms.
to flourish or thrive: a recurrent fad that blooms from time to time.

to be in or achieve a state of healthful beauty and vigor: a sickly child who suddenly bloomed; a small talent that somehow bloomed into major artistry.
to glow with warmth or with a warm color.

verb (used with object)
to cause to yield blossoms.
to make bloom or cause to flourish: a happiness that blooms the cheek.

to invest with luster or beauty: an industry that blooms one’s talents.
to cause a cloudy area on (something shiny); dampen; chill: Their breath bloomed the frosty pane.
Optics. to coat (a lens) with an antireflection material.