[1860–65; mono- + carpellary]This word is first recorded in the period 1860–65. Other words that entered Englishat around the same time include: Paleolithic, calibrate, institutionalism, mutualism, raidermono- is a combining form meaning “alone,” “single,” “one” (monogamy); specialized in some scientific terms to denote a monomolecular thickness (monolayer) and adapted in chemistry to apply to compounds containing one atom of a particularelement (monohydrate). Other words that use the affix mono- include: monobuoy, monochromatic, monograph, monohybrid, monounsaturated