Definition that contains udo
- grey Queen of England for nine days in 1553; she was quickly replaced by Mary Tudor and beheaded for treason (1537-1554)
- cycle the unit of frequency; one hertz has a periodic interval of one second (named for Heinrich Rudolph Hertz)
- astrology a pseudoscience claiming divination by the positions of the planets and sun and moon
- alchemy a pseudoscientific forerunner of chemistry in medieval times
- amoeba naked freshwater or marine or parasitic protozoa that form temporary pseudopods for feeding and locomotion
- tudor an English dynasty descended from Henry Tudor; Tudor monarchs ruled from Henry VII to Elizabeth I (from 1485 to 1603)
- hertz the unit of frequency; one hertz has a periodic interval of one second (named for Heinrich Rudolph Hertz)
- cps the unit of frequency; one hertz has a periodic interval of one second (named for Heinrich Rudolph Hertz)
- perpendicular a Gothic style in 14th and 15th century England; characterized by vertical lines and a four-centered (Tudor) arch and fan vaulting
- hz the unit of frequency; one hertz has a periodic interval of one second (named for Heinrich Rudolph Hertz)