The state of being curved or sickle-shaped; the quality or condition of having a falcate form.
From 'falcate' plus abstract noun suffix '-ion'. Follows the pattern of Latin-derived English technical terminology.
Falcation is a word that's grammatically perfect but rarely used in practice—scientists usually just say 'curved' or 'falcate' instead, showing how English sometimes builds words that are technically correct but practically obsolete.
Complete word intelligence in one call. Free tier — 50 lookups/day.