兆周

Traditional form:

兆周

Pinyin (reading):

zhàozhōu

Definitions:

• megacycle (MC), equals 1,000,000 Hz

Characters:

• 兆 - omen; mega-, million
• 周 - Zhou dynasty; circumference

Traditional characters:

• 兆 - omen; mega-, million
• 周 - Zhou dynasty; circumference