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Related to catenoid: helicoid
1. Chainlike, such as a chain of fungus spores or a colony of bacteria in which the individuals are joined end to end. Synonym(s): catenulate
2. Surface of net zero curvature generated by the rotation of a catenary (curve of repose of a suspended chain); the interventricular septum of the heart in idiopathic hypertrophic subaortic stenosis resembles a catenoid, which makes it ineffective in increasing intracavity pressure or in reducing its volume as defined in Laplace law.
[L. catena, chain, + G. eidos, resemblance]
catenoid(kăt′ĕ-noyd) [″ + Gr. eidos, form, shape]
Chainlike; pert. to protozoan colonies whose individuals are joined end to end.