onset

Word family

the onset of something BEGINNINGthe beginning of something, especially something bad 某事的开始[发作]〔尤指不好的事情〕

the onset of winter

冬天的来临

Examples from the Corpus

the onset of something• The loss of oestrogen at the onset of menopause may also be greater in smokers than nonsmokers.• This symptom usually occurs at the onset of sleep or upon waking.• It was the last upswing before the onset of slump, stagnation and mass unemployment.• It had gradually enlarged and began to leak some six weeks before his death and was heralded by the onset of headaches.• Doctors can slow the onset of the disease with drugs.• This was enough to slow the onset of their disease.• But cold weather and a scarcity of food on arable land usually brings numbers down with the onset of winter.• Yet the onset of daylight, with its much better conditions, brought the kiss of death.

n COLLOCATIONS

adjectives

sudden

Consult the doctor if there is a very sudden onset of fever.

abrupt

the abrupt onset of the rainy season in India

(=happening very quickly and suddenly)

rapid

Symptoms may include the rapid onset of nausea and vomiting.

early/late onset (=happening earlier or later than commonly happens – used especially about serious illnesses)

The patient had a family history of early onset Alzheimer's disease.

verbs

delay the onset of something

An active and healthy lifestyle can delay the onset of disease in later life.

mark the onset of something

The tradition originates from an old Celtic feast marking the onset of winter.

Examples from the Corpus

onset• Secondly the standard routes to chaos imply the existence of a well-defined onset of chaotic behaviour.• Was its onset sudden or gradual?• Mundo de siete pozos was composed in the relatively sunny days before the onset of cancer.• This was designed before the onset of destabilization, and aimed to restructure the formal school system.• The patients studied were seen and treated up to 3 hours from the onset of symptoms.• The curtains swung back to reveal Marie in a glistening silver robe and an expression suggesting the onset of migraine.

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