Englishfor English speakers
erratic
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adjective
(= fickle, mercurial, quicksilver)
liable to sudden unpredictable change
erratic behavior
fickle weather
mercurial twists of temperament
a quicksilver character, cool and willful at one moment, utterly fragile the next
—
adjective
(= planetary, wandering)
having no fixed course
an erratic comet
his life followed a wandering course
a planetary vagabond
—
adjective
(= temperamental)
likely to perform unpredictably
erratic winds are the bane of a sailor
a temperamental motor; sometimes it would start and sometimes it wouldn't
that beautiful but temperamental instrument the flute
— Osbert Lancaster
firing
Noun
—
Firing is the process of applying heat or fire, especially to clay, to produce pottery.
After the pots have been glazed, they go back into the kiln for a second firing.