The term "pressor base" relates to a device or substance used to induce constriction or increase tension. Synonyms for this term include "vasoconstrictor base", which pertains to agents that narrow blood vessels and subsequently elevate blood pressure. Another synonym is "constriction amplifier", highlighting the ability of the substance or device to intensify constriction. "Tension enhancer" also accurately represents the purpose of the pressor base, emphasizing its role in heightening muscular or vascular tension. Additionally, "constrictor stimulant" serves as an apt synonym, underscoring the ability of the pressor base to promote constriction and enhance physiological response.