deposition; desublimation
Chemistry term for the phase transition from gas directly to solid, opposite of sublimation (昇華).
Antonyms: 昇華
Deposition is the phenomenon where a gas turns directly into a solid without passing through the liquid phase.
court ladies' residence (Heian Palace)
Compound of 凝 (gyō, 'to congeal, solidify') and 華 (ka, 'flower, splendor'), likely a calque or coined term for the scientific concept of deposition.