spectral
spectral — adjective
1. appearing as if connected to the spirit of someone who has died — pale, shadowy,
appearing as if connected to the spirit of someone who has died — pale, shadowy, or not fully solid, and often carrying a sense of fear or mystery.
A spectral figure stood at the end of the dark passage, then slowly disappeared.
The old castle had a spectral beauty in the pale morning light.
spectral + abstract noun (beauty)
Rachid thought he saw a spectral hand through the window of the old house.
Eri walked through the forest and saw a spectral glow between the trees.
- ghostly
Much more common and less formal; the neutral everyday word for anything suggesting a ghost.
- eerie
Focuses on the feeling of fear or unease rather than the visual appearance of a spirit.
- phantom
Suggests something that appears briefly and then vanishes, more specific than spectral.
- shadowy
Describes lack of clear shape or darkness rather than a ghostly origin; a shadowy figure may be a living person.
文法句型
spectral + noun
用法筆記
Typically placed before a noun (attributive position). Much more common in formal or literary writing than in everyday speech, where ghostly is the usual choice.
常見錯誤
2. relating to the range of different colours — red, orange, yellow, green, blue, i
relating to the range of different colours — red, orange, yellow, green, blue, indigo, violet — that make up white light and can be seen when light passes through a prism or similar device.
Scientists use spectral data to learn about the gases in faraway stars.
collocation: spectral data
A rainbow shows the full set of spectral colours from red to violet.
collocation: spectral colours
Each type of metal creates a different spectral pattern when heated.
Dylan examined the spectral image from the telescope to find new stars.
- prismatic
More narrowly describes colours produced by a prism; less common than spectral.
文法句型
spectral + noun (analysis, data, colour, line, pattern)
用法筆記
Always used before a noun in scientific and technical contexts. Not to be confused with sense 1 — the two meanings come from different historical roots (Latin spectrum 'appearance' vs spectre 'ghost'), even though both are spelled spectral.