n. The state or condition of being deciduous; the quality of trees which lose their leaves in winter or the dry season.
the GNU version of the Collaborative International Dictionary of English
n. The quality or state of being deciduous.
The Century Dictionary and Cyclopedia
n. The quality of being deciduous.
Word Usage
"Height and deciduousness decrease towards the south, while succulence, sclerophylly and spinescence increase; this is a pattern that closely mirrors the rainfall gradient of the area."