(algebraic topology) A sequence of Abelian groups, together with a sequence of boundary homomorphisms.

(mathematics) A particular form of a chain complex

(psychology) A sense of inferiority; the feeling that one is inferior to others in certain aspects.

(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.

Synonym of inclusion compound

plural of Napoleon complex

(derogatory) aggressive or domineering behaviour, claimed to be a form of psychological compensation for one's short physical stature

plural of complex sentence

(anatomy) A group of neurons located in the rostral ventrolateral medulla and ventral respiratory column in mammals. It plays an important role in controlling breathing and responding to hypoxia.

plural of K-complex