duodecillion

(do͞oˌō-dĭ-sĭlˈyən, dyo͞oˌ-)

1. The cardinal number equal to 10³⁹.
2. Chiefly British The cardinal number equal to 10⁷².

Related Forms:

• duˌo·de·cilˈlion adjective

• duˌo·de·cilˈlionth adjective, adv. & n.