In hazards evaluations, the MCE, from a hypothesized accidental explosion, fire, or toxic chemical agent release (with explosives contribution) is the worst single event that is likely to occur from a given quantity and disposition of ammunition and explosives (AE).
A male organism is the physiological sex which produces sperm. Each spermatozoon can fuse with a larger female gamete, or ovum, in the process of fertilization. A male cannot reproduce sexually without access to at least one ovum from a female, but some organisms can reproduce both sexually and asexually.
Definition of boy. 1  1a : a male child from birth to adulthoodb : sonc : an immature male separate the men from the boys boy geniusd : sweetheart, beau. 2  2 often offensive : a male servant. 3  3a : one native to a given place local boyb : fellow, person the boys at the officec âused interjectionally to express intensity of feeling boy, what a game.