Noun
The first attack, or act of hostility; the first act of injury, or first act leading to a war or a controversy; unprovoked attack; assault; as, a war of aggression. "Aggressions of power."
Source: Webster's dictionaryA bee colony exposed to an environment of high threat of predation did not show increased aggression and aggressive-like gene expression patterns in individual bees, but decreased aggression. Source: Internet
According to this agreement and in return for an annual subsidy and vague assurances of assistance in case of foreign aggression, Yaqub relinquished control of Afghan foreign affairs to the British. Source: Internet
A cat does not hiss or arch its back when pursuing a rat, and the active areas in its hypothalamus resemble those that reflect hunger rather than those that reflect aggression. Source: Internet
Akintoye said: "We the Yoruba have the instrument for defending our safety properties, our towns, villages and farmlands against any external aggression. Source: Internet
A few studies indicate that the testosterone derivative estradiol (one form of estrogen ) might play an important role in male aggression. Source: Internet
A deficit in serotonin has been theorized to have a primary role in causing impulsivity and aggression. Source: Internet