(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

(chemistry) a complex where a metal ion is bound to two or more atoms of the chelant

plural of God complex

plural of complex conjugate

(electrencephalography) A waveform that occurs approximately every 60–100 seconds during stage 2 of NREM sleep, and which consists of a brief negative high-voltage peak (usually >100µV), followed by a slower positive complex ~350–550ms, and at 900ms a final negative peak.

(medicine) A set of perinatal infections that can lead to anomalies or fetal loss: toxoplasmosis, other infections, rubella, cytomegalovirus, and herpes simplex virus-2.