| Word | Definitions | Synonyms |
|---|---|---|
| lucent | (adjective) softly bright or radiant | Synonyms: aglow, lambent, luminous |
| noctilucent | (adjective) shining or glowing by night | - |
| radiolucent | (adjective) almost complete transparent to X-rays or other forms of radiation | - |
| translucent | (adjective) allowing light to pass through diffusely | Synonyms: semitransparent |