sphaeraphis

== English == === Etymology === Derived from Latin sphaera + Ancient Greek ῥαφίς (rhaphís). === Noun === sphaeraphis (plural sphaeraphides) (botany) A spherical aggregation of raphides in a plant cell ==== Further reading ==== “sphaeraphis”, in Merriam-Webster.com Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.