Answer: redi

AnswerCrossword Clue
REDIQuick, in product names
REDIItalian naturalist Francesco
REDI"Easy to use," in product names
REDIPrepared in advance, in product names
REDIQuick, in some product names
REDI...-Tea (first instant iced tea)
REDICommercial prefix meaning "convenient to use"
REDINoted Italian biologist: 17th century
REDIItalian biologist
REDIItalian naturalist
REDIItalian naturalist and poet.
REDIItalian poet (1626?-97).
REDIPrefix for instant food
REDIInsta- relative
REDIWhite Rose ...-Tea (first instant iced tea)
REDITime-saving, commercially
REDI..-Tea: White Rose product
REDIQuick, in trade names
REDIInstant, in product names
REDIWhite Rose ..-Tea, first instant iced tea
REDI... a Communist?
REDINaturalist Francesco
REDI17th-century physician Francesco