Term: identical twin: either of two twins developed from the same fertilized ovum (having the same genetic material)
Broader: twin: either of two offspring born at the same time from the same pregnancy | Unrelated: fallopian tube: either of a pair of tubes conducting the egg from the ovary to the uterus
Broader: twin: either of two offspring born at the same time from the same pregnancy | Unrelated: congestion: excessive crowding
Broader: twin: either of two offspring born at the same time from the same pregnancy | Unrelated: aphrodisiac: a drug or other agent that stimulates sexual desire
Broader: twin: either of two offspring born at the same time from the same pregnancy | Unrelated: wave mechanics: the modern form of quantum theory; an extension of quantum mechanics based on Schrodinger's equation; atomic events are explained as interactions between particle waves
Broader: twin: either of two offspring born at the same time from the same pregnancy | Unrelated: trade: the business given to a commercial establishment by its customers
Broader: twin: either of two offspring born at the same time from the same pregnancy | Unrelated: x-ray machine: an apparatus that provides a source of X rays
Broader: twin: either of two offspring born at the same time from the same pregnancy | Unrelated: cape verde monetary unit: monetary unit on Cape Verde
Broader: twin: either of two offspring born at the same time from the same pregnancy | Unrelated: conservation of momentum: the principle that the total linear momentum in a closed system is constant and is not affected by processes occurring inside the system
Broader: twin: either of two offspring born at the same time from the same pregnancy | Unrelated: zostera: (or in some classifications family Zosteraceae) small genus of widely distributed marine plants
Broader: twin: either of two offspring born at the same time from the same pregnancy | Unrelated: 1830s: the decade from 1830 to 1839