15-Letter Words Containing: A,E,E,P,R,R,Y

• extinct primitive toothed bird of the Jurassic period having a long feathered tail and hollow bones; usually considered the most primitive of all birds

• a medical instrument that records the electrical waves associated with the activity of skeletal muscles

• straight up or down without a break

• in a perpendicular manner

• radiography that uses X-rays to produce a roentgenogram

• telegraphy that uses transmission by radio rather than by wire

• the use of radio to send telegraphic messages (usually by Morse code)