These are aluminum atoms. An atom is the smallest particle of an element that has the properties of that element. Some properties of aluminum are: shiny, silver colored, fragile, and thin. Each element has its own type of properties. Chemists use symbols to represent elements.
1 A person who has passed away and who is no longer alive is someone who would be described as dead.  When your career has faltered, you've been fired and have no hope of gaining your position back, this is an example of a time when your career is dead.
Wiktionary(4.50 / 8 votes)Rate this definition: 1  homicide(Noun) The killing of one person by another, whether premeditated or unintentional. 2  homicide(Noun) A person who kills another. 3  homicide(Noun) A victim of homicide; a person who has been unlawfully killed by someone else.