The term originated from the occasional black sheep which are born into a flock of white sheep due to a genetic process of recessive traits. Black wool was considered commercially undesirable because it could not be dyed. In 18th and 19th century England, the black color of the sheep was seen as the mark of the devil.
The transom is the flat back end of a boat. Some boats are pointed on both ends, so they have no transom. A traditional canoe, pointed on both ends has no transom. A modern square stern canoe (made to take an outboard motor) has a transom.
transÂ·ducÂ·er. A device designed to convert energy from one form to another. See also: transduction. /transÂ·duÂ·cer/ (-dooÂ´ser) a device that translates one form of energy to another, e.g., the pressure, temperature, or pulse to an electrical signal.ransducer. a device that translates one physical quantity to another, e.g., pressure or temperature, to an electrical signal. neuroendocrine transducer a neuron, such as a neurohypophyseal neuron, that on stimulation secretes a hormone, thereby translating neural information into hormonal information.