Erratic
When the arc or burn-off characteristics are not smooth and difficult to handle. Can?t control where the puddle goes.
Related Links
Erratic | Definition of Erratic
Erratic | Definition of Erratic at Dictionary.com
erratic – Dictionary Definition : Vocabulary.com
ERRATIC | definition in the Cambridge English Dictionary
Erratic Synonyms, Erratic Antonyms | Thesaurus.com