What is another word for "central"?

Roget's Thesaurus (1911) lists these synonyms for "central": air, alembic, amianth, amianthus, andiron, annihilator, area, asbestos, athanor, attic, axial, axis, azygous, backbone, backlog, bakehouse, bath, benumb, bite, boiler, box, brasier, brigade, bring, buoyancy, burn, burner, caboose, caldron, camboose, center, centrality, centralization, centralize, centrally, centrical, chamber, chatter, chill, coal.