subluminal

English

Etymology

sub- +‎ luminal

Adjective

subluminal (comparative more subluminal, superlative most subluminal)

1. slower than light; having a speed less than light.

Synonyms

• sublumic
• periphrastic: causally reachable (physics)

Related terms

• superluminal
• transluminal
• luminal

Translations

Translations

• Greek: υποφωτοταχικός m (ypofototachikós), υποφωτοταχική f (ypofototachikí), υποφωτοταχικό n (ypofototachikó)
• Italian: subluminale m or f

See also

• FTL
• subsonic