名詞 phantasm:

1. a ghostly appearing figure
   同義詞：apparition, phantom, phantasma, fantasm, specter, spectre
2. something existing in perception only
   同義詞：apparition, phantom, phantasma, fantasm, shadow

phan.tasm

n.（名詞）
Something apparently seen but having no physical reality; a phantom or an apparition.Also called phantasma
幻影，幽靈：明顯可見但沒有物質(zhì)的實體；幻影或幽靈也作 phantasma
An illusory mental image.Also called phantasma
幻想，空想：一種產(chǎn)生幻覺的內(nèi)心的假想也作 phantasma
In Platonic philosophy, objective reality as perceived and distorted by the five senses.
幻覺，錯覺：柏拉圖哲學思想中，被第五感覺察覺并歪曲的客觀事實

來源：
Middle English fantasme
中古英語 fantasme
from Old French
源自 古法語
from Latin phantasma
源自 拉丁語 phantasma
from Greek
源自 希臘語
from phantazein [to make visible]
源自 phantazein [使可以看見的]
from phantos [visible]
源自 phantos [可見的]
from phainein [to show] * see bh3-
源自 phainein [展現(xiàn)] *參見 bh3-

【引伸】
phantas.mal