bloom

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bloom

1
1. a fine whitish coating on the surface of fruits, leaves, etc., consisting of minute grains of a waxy substance
2. Ecology a visible increase in the algal constituent of plankton, which may be seasonal or due to excessive organic pollution

bloom

2
a rectangular mass of metal obtained by rolling or forging a cast ingot

Bloom

 

a semifinished, metallurgical product made of steel, with a square cross section of more than 140 mm on a side, obtained from ingots by rolling in a rolling mill, the so-called blooming mill.


Bloom

 

a solid, spongy mass of iron (with a low carbon, sulfur, phosphorus, and silicon content) with slag inclusions that fill the pores and cavities. It may be obtained either directly from ore by reducing it at 1250°-1350°C or from pig iron.

bloom

[blüm]
(botany)
An individual flower. Also known as blossom.
To yield blossoms.
The waxy coating that appears as a powder on certain fruits, such as plums, and leaves, such as cabbage.
(ecology)
A colored area on the surface of bodies of water caused by heavy planktonic growth.
(engineering)
Fluorescence in lubricating oils or a cloudy surface on varnished or enameled surfaces.
To apply an antireflection coating to glass.
(geology)
(graphic arts)
A milky or foggy defect that may appear on the surface of a varnished painting; caused by moisture.
(materials)
Crystals formed on the surface of treated wood by exudation and evaporation of the solvent in preservative solutions.
(metallurgy)
A semifinished bar of metal formed from an ingot and having a rectangular cross section exceeding 36 square inches (232 square centimeters).
To hammer or roll metal in order to make its surface bright.
(mineralogy)
(optics)
Color of oil in reflected light, differing from its color in transmitted light. Also known as fluorescence.

bloom

1. The formation of a thin film of material on the surface of paint causing it to appear lower in gloss and milky in color. It varies in composition depending on the nature of the paint, drying conditions, etc., and may sometimes be removed with a damp cloth.
2. A type of efflorescence that appears on brickwork.
3. A discoloration or change in appearance of the surface of a rubber product (as sulfur bloom and wax bloom) caused by the migration of a liquid or solid to the surface.
4. A defect on a freshly varnished surface, appearing as a cloudy film.
5. A surface film on glass; usually results from the deposition of smoke or vapor.
References in periodicals archive ?
In particular, as some cyanobacteria blooms begin to die or wash ashore, in a process similar to fall foliage, the cyan color is very apparent as the chlorophyll pigment is less dominant in the cell.
Combining AECOMs environmental and infrastructure experience with BLOOMs patented technology provides an innovative avenue to mitigate the algae crisis, said AECOM Vice President, Dan Levy.
Blooms also affect lake ecosystems by reducing oxygen levels, which can result in fish kills and prevent the growth of beneficial algae.
The bloom stimulates the production of zooplankton, which provide food for fish.
It's surprising, however, because people don't expect blooms triggered by iron to be so large," says Uz.
Six other large Blooms units in Rugby, Gloucester, Swindon, Worcester, Cardiff, and Stevenage will be similarly converted into Wyevale's new destination garden centre format.
My reward has been masses of dark green foliage without a single bloom.
It had been the ambition of the boy to join the nursery gardens in Oakington, Cambridgeshire, of his father, Alan Herbert Vauser Bloom.
Last year Saltburn won the best coastal town title in Northumbria In Bloom and was among 28 silver prize recipients in Britain in Bloom, narrowly losing out in the small coastal resort category to St Ives in Cornwall.
Director Sean Walsh's Bloom marks the second time Ulysses has been brought to the big screen.
It would have been impossible for me to leave a bloom in the garden--this was not a time for stinginess.
Rose pink, anemone-like 3 1/2-inch semidouble blooms splashed with white.

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