Cur·tiss 
(kûrtĭs), Glenn Hammond 1878-1930.
(kûrtĭs), Glenn Hammond 1878-1930. American aviation pioneer who developed the first airplane to complete a one-kilometer flight (1908).
- radiogenic
- radiogram
- radiograph
- radiographer
- radiographic
- radiographically
- radiography
- radioimmunoassay
- radioimmunological
- radioimmunology
- radioiodine
- radioisotope
- radiolabel
- radiolarian
- radiolocation
- radiologic
- allocation
- allocator
- allochthon
- allochthonous
- allocution
- all of
- all of a sudden
- allogamy
- allogeneic