(organic chemistry) Any dichloro derivative of isocoumarin, but especially 3,4-dichloroisocoumarin which is a serine protease inhibitor

(medicine) A medical condition marked by malfunction of the nerves that control involuntary body functions, causing breathing to require conscious effort and therefore meaning patients will die if ...

(topology) A structure defined for a (topological) manifold so that it supports differentiation of functions defined on it.

Thespesia grandiflora, a tree native to Puerto Rico also planted elsewhere for its fairness and the working properties of its wood.