base-ring and frame-ring
collector ring (slip-ring)
column-ring beam joint with shear ring bars
outside ring in-feed system ring
ring of n×n matrices over ring R
ring out the old year and ring in the new
Riser-ring and Ring Module
short-proof ring (arcing ring)
the Western Ring Road Sector of Central Ring Road
anal ring hairs anal ring setae
ACUTE LYMPHOID LEUKAEMIA
acute lymphoid leukemia
acute non lymphoid leukemia
avian lymphoid leukosis
BALT [=bronchus associated lymphoid tissue]