mi·cro·seism 
(mīkrə-sī′zəm)
(mīkrə-sī′zəm)n.
A faint earth tremor caused by natural phenomena, such as winds and strong ocean waves.
mi′cro·seismic (-sīzmĭk, -sīs-) adj.
- speakerphone
- speakership
- speaking
- speaking in tongues
- speaking tube
- speak out
- speak-out
- speak up
- speak with a forked tongue
- categoric
- categorical
- categorical imperative
- categorically
- categoricalness
- categorizable
- categorization
- categorize
- category
- catena
- catenane
- catenary
- catenate
- cater
- cater-corner
- cater-cornered