See Also: trophoblastic neoplasms(medicine)
Overdrive - Motor Sports(gambling)
overdrive(1)(dictionary)
overdrive(medicine)
overdrive(2)(dictionary)
overdrive(dictionary)
Trophoblastic(medicine)
gambling(dictionary)
Gambling(law)
gambling(medicine)

Overdrive - Motor Sports (gambling) and trophoblastic neoplasms (medicine)


Overdrive - Motor Sports (gambling)


A transmission gear with a ratio below 1:1, which improves fuel economy by reducing engine revolutions per minute at highway speeds. On a five-speed manual transmission, the fourth and fifth gears are overdrive. On a four-speed automatic transmission, the fourth gear is overdrive. When an overdrive gear set is engaged, the output shaft turns at a higher rate than the input shaft, reducing engine revolutions at cruising or highway speeds.

trophoblastic neoplasms (medicine)


trophoblastic neoplasms
Trophoblastic growth, which may be gestational or nongestational in origin. Trophoblastic neoplasia resulting from Pregnancy is often described as gestational trophoblastic disease to distinguish it from germ cell tumours which frequently show trophoblastic elements, and from the trophoblastic differentiation which sometimes occurs in a wide variety of epithelial cancers. Gestational trophoblastic growth has several forms, including hydatidiform mole and choriocarcinoma.