Synonyms for Saint elmo's light:

n.

Saint Elmo's light (noun)
Saint Ulmo's Light, Saint Ulmo's Fire, corposant, corona discharge, corona, St. Elmo's Fire, electric glow, Saint Elmo's Fire.

Other synonyms:

Saint Elmo's fire
Saint Elmo's Fire.
Saint Ulmo's fire
Saint Ulmo's Fire.
Saint Ulmo's light
Saint Ulmo's Light.
St. Elmo's fire
St. Elmo's Fire.