(n.) A double star; -- applied to the nucleus of a cell, when, during cell division, the loops of the nuclear network separate into two groups, preparatory to the formation of two daughter nuclei. See Karyokinesis.
Example Sentences:
(1) We infer that elevated temperature induces unique changes in the microtubules of the pre-prophase sperm aster-diaster, resulting in cytoplasmic rotation and the spiral configuration of microtubules.
(2) Diaster medicine represents a new, multidisciplinary and comprehensive approach.
(3) In our study, these structures did not occur at culture temperatures below 16 degrees C. When the culture temperature was elevated, however, "spiral asters" routinely appeared during a susceptible period before mitotic prophase when the sperm aster-diaster normally exists.
(4) The author describes a training program in diaster-relief agencies.
(5) In one of the seminal works on visual agnosia, Adler (1944, 1950) presented the case of a 22-yr-old woman who sustained carbon monoxide cerebral toxicity in the Cocoanut Grove nightclub diaster of 1942.
Disaster
Definition:
(n.) An unpropitious or baleful aspect of a planet or star; malevolent influence of a heavenly body; hence, an ill portent.
(n.) An adverse or unfortunate event, esp. a sudden and extraordinary misfortune; a calamity; a serious mishap.
(v. t.) To blast by the influence of a baleful star.
(v. t.) To bring harm upon; to injure.
Example Sentences:
(1) Following mass disasters and individual deaths, dentists with special training and experience in forensic odontology are frequently called upon to assist in the identification of badly mutilated or decomposed bodies.
(2) Crown prince Sultan Bin Abdel Aziz said yesterday that the state had "spared no effort" to avoid such disasters but added that "it cannot stop what God has preordained.
(3) Documents seen by the Guardian show that blood supplies for one fiscal year were paid for by donations from America’s Office of Foreign Disaster Assistance (OFDA) and Britain’s Department for International Development (DfID) – and both countries have imposed economic sanctions against the Syrian government.
(4) Travel around Fukushima today and there is little evidence of disaster or trauma.
(5) In the UK, George Osborne used this to his advantage, claiming "Britain faces the disaster of having its international credit rating downgraded" even after Moody's ranked UK debt as "resilient".
(6) Sometimes it can seem as if the history of the City is the history of its crises and disasters, from the banking crisis of 1825 (which saw undercapitalised banks collapse – perhaps the closest historic parallel to the contemporary credit crunch), through the Spanish panic of 1835, the railway bust of 1837, the crash of Overend Gurney, the Kaffir boom, the Westralian boom, the Marconi scandal, and so on and on – a theme with endless variations.
(7) Dealers speculated that Facebook's army of bankers had stepped in to stop the shares falling below $38, a move that would have landed the social network with a public relations disaster on its first day as a public company.
(8) "If it hadn't been for the nuclear disaster, we would never have given this project a second thought."
(9) This could spell disaster for small farmers, says Million Belay, co-ordinator of the Alliance for Food Sovereignty in Africa.
(10) Simply lengthening the working age bracket is a potential disaster, unless the inequalities at the heart of the policy are addressed in a detailed and sensible way and we achieve full employment.
(11) The accident on 10 April 2010, killed the president, first lady and dozens of senior officials, in the worst Polish air disaster since the second world war.
(12) Beijing says the island outposts will serve maritime search and rescue missions, disaster relief, environmental protection as well as undefined military purposes.
(13) Wanchu Sherpa, chairman of Everest Summitteers Association of Nepal and two time summiteer himself, told the Guardian shortly after the accident that “nothing can be done to prevent such events” which he described as “simply natural disasters that are unavoidable”.
(14) Matteo Renzi, the Italian leader who has argued it would be a disaster if Britain left the EU, suggested defensiveness about freedom of movement led to nowhere apart from opening the door to “right-wing xenophobia and nationalism” in Europe .
(15) "Machineless" NH suggests the possibility of machineless CAVHD, which could provide dialysis and parenteral nutrition to many acute renal failure patients after a major disaster.
(16) Families fear that after April’s disaster the cycle of poverty in the region will be intensified.
(17) Salem County (NJ) Memorial Hospital cooperated in an areawide disaster drill and found that it took large doses of planning and cooperation to coordinate the effort.
(18) A chronology of the disaster, involving two helicopter crashes which left 11 dead, is presented.
(19) But even away from this disaster, facts about the industry's cost and scope to meet Europe's energy needs should be enough to give nuclear supporters pause.
(20) It cannot be established whether or not seasickness contributed to the cause of death in the case of the Ocean Ranger victims, but it did occur in 75% or more of TEMPSC occupants in the other four rig disasters.