reagin /rē-āˈjin/

An antibody that fixes to tissue cells of the same species so that, in the presence of an antigen, histamine and other vasoactive agents are released

• sapotas
• sappan
• sappans
• sappanwood
• sapped
• sapper
• sapperment
• sappers
• Sapphic
• Sapphics
• sapphire
• sapphired
• sapphire-quartz
• sapphire-quartzes
• sapphires
• sapphire-wing
• sapphire-wings
• sapphirine
• sapphirines
• Sapphism
• Sapphisms
• sapphist
• sapphists
• sappier
• sappiest