(chemistry) A coordination compound.

(chemistry) any ion containing more than one atom. e.g. sulphate as opposed to sulphide

(mathematics) The branch of mathematics that studies holomorphic functions.

(biology, pseudoscience) The proposition that complex organs such as eyes and flagella must have started existing in their current form; i.e., that they cannot have evolved from previous, less complex stages.

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

a hydrido complex

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

(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.

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