Possessing, composed of, or similar in form to nodules.
Loose nodular deposits of gold metal are commonly referred to as nuggets.
The disease causes nodular black growths that may become pustular.
1992, Rudolf M. Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, page 6
The capsule in both families is spherical, with a bistratose wall; the outer cell layer usually bears nodular thickenings […] ; the inner layer (of nearly equally large cells) lacks the regular semiannular or annular thickenings of most other leafy liverworts […]