(~s, ~ing, ~ed)
1.
When a volcano ~s, it throws out a lot of hot, melted rock called lava, as well as ash and steam.
The volcano ~ed in 1980, devastating a large area of Washington state...
VERB: V
~ion (~ions)
...the volcanic ~ion of Tambora in 1815.
N-VAR: usu with supp
2.
If violence or fighting ~s, it suddenly begins or gets worse in an unexpected, violent way. (JOURNALISM)
Heavy fighting ~ed there today after a two-day cease-fire...
= break out
VERB: V
~ion
...this sudden ~ion of violence.
N-COUNT
3.
When people in a place suddenly become angry or violent, you can say that they ~ or that the place ~s. (JOURNALISM)
In Los Angeles, the neighborhood known as Watts ~ed into riots...
VERB: V into/in n
4.
You say that someone ~s when they suddenly have a change in mood, usually becoming quite noisy.
Then, without warning, she ~s into laughter...
VERB: V into/in n
~ion
...an ~ion of despair.
N-COUNT
5.
If your skin ~s, sores or spots suddenly appear there.
At the end of the second week, my skin ~ed in pimples.
VERB: V in/into n, also V
~ion
...~ions of adolescent acne.
N-COUNT: with supp