Noun
the atmospheric conditions that comprise the state of the atmosphere in terms of temperature and wind and clouds and precipitation
the set of circumstances that affect someone's welfare
the prevailing context that influences the performance or the outcome of a process
Source: WordNetThe constant flux and caprice of mental events do not admit of the establishment of stable experimental conditions. Hermann Ebbinghaus
Variability is the law of life, and as no two faces are the same, so no two bodies are alike, and no two individuals react alike and behave alike under the abnormal conditions which we know as disease. William Osler
During the time men live without a common power to keep them all in awe, they are in that conditions called war; and such a war, as if of every man, against every man. Thomas Hobbes
Blows are not given upon conditions. Italian Proverb
Setting the conditions before you make an agreement is better than having an argument in the middle of the work. Yemeni Proverb
Princes will not be served on conditions. French Proverb