centrovert

noun

1. Being in the middle between introvert and extrovert.“These seven basic classes form the range of human body chemistry. And, of the seven, the basic three classes are vayu-dominated, pitta-dominated and kapha-dominated. This triad corresponds rather closely to the ectomorph-mesomorph-endomorph system of physiological classification (somatotypes) worked out by the American psychologist William Shelton, and with the extrovert-centrovert-introvert syste”