PRONUNCIATION: (hur-kyuh-LEE-uhn, hur-KYOO-lee-)

MEANING: adjective:
1. Requiring extraordinary strength or effort.
2. Having great strength or size.

ETYMOLOGY: From Hercules, the son of Zeus and Alcmene in Greek mythology. Hercules performed many feats requiring extraordinary strength and effort, such as cleaning the Augean stables. Earliest documented use: 1594.

FERCULEAN - made of iron and copper

HERCLEAN - Mr Clean's wife

HERCULEXAN - an extremely strong clear plastic to form into storm windows and doors (see also "Gorilla Glass")