coarse sendcoarse texturecobblestonecocolithcodecoefficent and aggressivitiy of climatecoefficent of runoffcoefficient of curve resistancecoefficient of dischargecoefficient of discharge for design headcoefficient of finenesscoefficient of frictioncoefficient of roughhnesscoefficient of variationcofferdamcohesioncohesive soilcoldcold frontcold highcold lowcold soilcold tonguecold wavecoliform bacteriacollapsible soilcollarcollection systemcollinearcollisioncolloidal mattercolloidal suspensincolloidscolluvialcolluvial soilcolluvial stepcolluvium terracecolmatagecolmationcolor velocity gagingcolorado sunken pancolour temperaturecolumnar soil structurecomactness coefficientcombined sewagecommission combat desertificationcommission for agricultural meteorologycommission for atmospheric sciencecommission for climatologycommission for hydrology
