tachylitic

• a word derived from tachylyte.
  tachylyte

  noun

  a black, glassy form of basalt, readily fusible and of a high luster.

More Suggestions

• tachytelic
• bathylimnetic
• anaclitic
• clitic
• enclitic
• microlitic
• syphilitic
• tachymeter
• tachymetry