noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The study of chemical reactions on a very short time scale, often using pulsed lasers. uncountable
2. 2
   the branch of chemistry that studies elementary (often very fast) chemical reactions as they occur; the experimental methods are often based on the use of femtosecond laser pulses wordnet

Etymology

From femto- + chemistry, since it deals with time scales of femtoseconds.

Related phrases

chemical reactiontime scale

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.