Cull

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cull

[kəl]
(chemical engineering)
In a plastics molding operation, material remaining in the transfer chamber after the mold has been filled.
(science and technology)
Material rejected for being below standard grade.

Cull

Any building material rejected as being below standard quality.

cull, brack, wrack

A piece of lumber or brick of a quality below the lowest accepted grade or below specifications.
References in periodicals archive ?
People often forget that 20,000 to 40,000 tammar wallabies are culled annually on the island, Paton said.
If the badger cull does go ahead, less than a tenth of that number would be culled.
But it said: "The council does not, however, believe that a badger cull will support this objective and will therefore, not allow badgers to be culled on land which the Forest of Dean District Council owns, manages or controls.
The team found a 19 per cent reduction in the incidence of cattle TB in the areas culled but a 29 per cent increase of the disease in surrounding farms up to two kilometres away.
Councillor Jim Wells wants the Irish to join in the slaughter of the popular duck, which is to be culled to extinction in the UK.
Stephen Trotter, chief executive of the Wildlife Trust, said: "We don't want to see either cattle or badgers being culled and we believe the problem could be resolved if we had an appropriate vaccine.
Surviving badgers from a partly culled group tend to wander over a larger area and may have increased contact with neighbouring cattle, leading to the spread of TB, experts believe.
WELL, we have culled (killed - word interchangeable) all the squirrels.
Under the experiment, recommended in a report to ministers published by Professor John Krebs last year, all the badgers in a defined area will be culled, but in other areas culls will be carried out in response to TB outbreaks in cattle.
When similar large-scale culls were conducted in England, in the first year they achieved no benefits for farmers inside culled areas but consistently caused large (47%-95%) increases in cattle TB on adjoining lands.