(chemistry) an organometallic compound formed from cyclopentadiene (or a derivative) and a transition element or other metal

a hydrido complex

(grammar) a sentence that contains an independent clause as well as one or more dependent clauses, such as a relative clause, an adverbial clause, or a noun clause.

(US) a set of buildings containing many apartments and ancillary functions

(medicine) A series of graphical deflections on a typical electrocardiogram that represents the electrical changes generated by the depolarization of the heart ventricles.

(chemistry) A complex hydride, such as sodium borohydride, containing a hydride ligand bonded to a central atom.

The facilities and support equipment needed to assemble, test and launch a rocket-powered vehicle

(mathematics) a representation of the space of complex numbers

(chemistry) A transitional structure, in an energetically excited state, that forms between the reactants of a chemical reaction and breaks down to form the products

(chemistry) Any of several forms in which three different molecules are tightly bound together