subluminal
/ˌsʌbˈl(j)uːmɪnl/Physics
adjective
Less rapid than the speed of light.
Origin
1960s. From sub- + luminal.
- supraconscious
- supraconsciousness
- supracoracoid
- supracoracoideus
- supracorporeal
- supracretaceous
- supracrustal
- supradecomposite
- supradecompound
- supradental
- supradorsal
- supradural
- supra-ethnic
- suprafacial
- supra-feminine
- supra-fine
- suprafoliar
- supragingival
- supraglacial
- supraglottal
- supraglottic
- suprahuman
- suprahumanity
- supralabial
- supralanguage