已知

Traditional form:

已知

Pinyin (reading):

yǐzhī

Definitions:

• known (to science)

Characters:

• 已 - already; finished; to stop; then, afterwards
• 知 - to know, to perceive, to comprehend

Traditional characters:

• 已 - already; finished; to stop; then, afterwards
• 知 - to know, to perceive, to comprehend