Any of various submicroscopic agents that infect living organisms, often causing disease, and that consist of a single or double strand of RNA or DNA surrounded by a protein coat. Unable to replicate without a host cell, viruses are typically not considered living organisms, A computer program or series of commands that can replicate itself and that spreads by inserting copies of itself into other files or programs which users later transfer to other computers. Viruses usually have a harmful effect, as in erasing all the data on a disk, A harmful or destructive influence

the repetition of an experiment in order to test the validity of its conclusion, the repetition of a sound resulting from reflection of the sound waves, Process by which an object, person, place or idea may be copied mimicked or reproduced

copy that is not the original; something that has been copied, A work of art made in exact likeness of another and by the same artist, differing from a copy in that it is held to have the same right as the first made to be considered an original work, A copy or reproduction, especially one on a scale smaller than the original

A person considered to be physically attractive, a small replica of a person; used as a toy, a small, usually flexible figure representing a human being, especially a toy baby for a little girl; a child's puppet, verb_ intransitive To cause to be more beautiful of attractive See also doll up