bombard

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bom·bard

(bom-bard'),
To expose a substance to particulate or electromagnetic radiations for the purpose of making it radioactive.
[Mediev. L. bombarda, artillery assault, fr. bombus, a booming sound]

bombard

[bombärd′]
to shower a drug or tissue sample with radioactive particles from a nuclear isotope source.

bombard

Military
To attack an enemy’s “soft targets”—undefended objects, houses, public buildings—with concentrated artillery with the intent of demoralising civilians and having them pressure their leaders into surrender. Initially defined as use of land-based heavy guns, bombardment has evolved into an equivalent of aerial bombing with the advent of military aviation.
 
Radiation physics
To expose a material to a beam of ionising radiation or highly charged particles.
References in periodicals archive ?
Iran recently said it will only stop the bombardments if the Kurdistan Region Army or Iraqi Army expels PJAK and Kurdistan Workers Party (PKK), and stations and controls the border with Iran.
The study, by University of Colorado at Boulder researchers, determined that the bombardment of Earth nearly 4 billion years ago by asteroids as large as the US state of Kansas would not have had the firepower to extinguish potential early life on the planet and may even have given it a boost.
Meanwhile President Hamid Karzai strongly condemned the irresponsible bombardment of coalition forces on Shindand district.
Oat transformation has utilized friable, embryogenic callus initiated from immature embryos as a source of totipotent target cells for microprojectile bombardment (Somers et al.
The high energies and the multiple photon bombardments needed to break the molecule's bonds distort the spectrum, Smalley says.
A military source told SANA that army units on Tuesday morning carried out intensive bombardments against the fortified positions of the terrorist groups in the neighborhoods of al-Sad Road, al-Abbasiyeh, and al-Furn and in the surroundings of al-Jmrouk al-Qadim and to the south of Beer al-Shayyiah on the southeastern outskirts of Daraa City.
On the other hand, many Turkmen civilians who fled from the heavy bombardments of Assad forces are being placed by the tents set by Turkey.
We have recorded the details of these air bombardments and asked our representatives to submit formal complaints to the UN Security Council and to African Union (AU) and to some of the neighboring members of the Security Council," he said.
Esmayeeli said the UAV can also be equipped with missiles and used for aerial bombardments as well.
The LCC said in a statement that some of those civilians were executed in the field in Idleb, noting that heavy bombardments were still taking place, amid severe water shortages and power blackout, adding the number of death toll is 51 people killed both in Homs and Damascus.
The demonstrators raised the Kurdish flags and photos of the victims of Turkish-Iranian bombardments, that led to the killing of a complete family.
Turkey and Iran have shelled the Kurdistan Region border from time to time over the last four years, but in the past, the bombardments rarely caused civilian casualties.