revoke definition: 1. to say officially that an agreement, permission, a law, etc. is no longer in effect: 2. to say…. Learn more.
retreat definition: 1. to go away from a place or person in order to escape from fighting or danger: 2. to go to a…. Learn more.
Grind definition, to wear, smooth, or sharpen by abrasion or friction; whet: to grind a lens. See more.
Indent definition, to form deep recesses in: The sea indents the coast. See more.
A computer virus is a type of computer program that, when executed, replicates itself by modifying other computer programs and inserting its own code. If this replication succeeds, the affected areas are then said to be "infected" with a computer virus, a metaphor derived from biological viruses.
Polygamy (from Late Greek πολυγαμία, polygamía, "state of marriage to many spouses") is the practice of marrying multiple spouses.When a man is married to more than one wife at the same time, sociologists call this polygyny.
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