Nouns denoting natural events

war cloud
an ominous sign that war threatens
 
start
the beginning of anything
 
click-clack
a succession of clicks
 
ripple
a small wave on the surface of a liquid
 
gravitation
movement downward resulting from gravitational attraction
 
milestone
a significant event in your life (or in a project)
 
break
the occurrence of breaking
 
renascence
a second or new birth
 
regurgitation
backflow of blood through a defective heart valve
 
amplitude
(physics) the maximum displacement of a periodic wave
 
thoroughbred race
a race between thoroughbred horses
 
deformation
a change for the worse
 
shimmy
an abnormal wobble in a motor vehicle (especially in the front wheels)
 
near-death experience
the experience of being close to death but surviving
 
ting
a light clear metallic sound as of a small bell
 
chess match
a match between chess players
 
blend
an occurrence of thorough mixing
 
sack race
a novelty race in which competitors jump ahead with their feet confined in a sack
 
avalanche
a slide of large masses of snow and ice and mud down a mountain
 
shower
a sudden downpour (as of tears or sparks etc) likened to a rain shower
 
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