Phantasm

fan′tazm, n. a vain, airy appearance: a fancied vision: an apparition or spectre—also Phantas′ma ( Shak. ):— pl. Phan′tasms , Phantas′mat a .— adjs. Phantas′mal ; Phantasmā′lian ( rare ).— n. Phantasmal′ity .— adv. Phantas′mally .— adjs. Phantasm at′ic , -al ; Phantas′mic ; Phantasmogenet′ic , begetting phantasms.— adv. Phantasmogenet′ically .— adj. Phantasmolog′ical , pertaining to phantasms as subjects of inquiry.— n. Phantasmol′ogy , the science of phantasms. [Gr. phantasma — phantazein , to make visible— phainein , to bring to light— pha-ein , to shine.]