(chemistry) An ensemble of chemically identical molecular entities that can explore the same set of molecular energy levels on the time scale of the experiment.

A relatively large droplet

(transitive) To raise blisters on. / (cooking, transitive) To sear after blaching. / (intransitive) To have a blister form. / (transitive) To criticise severely.

A skeleton (of some fish and of mammal embryos) composed of hyaline cartilage