同余

Traditional form:

同餘

Pinyin (reading):

tóngyú

Definitions:

• congruent (math.)
• having same residue modulo some number

Characters:

• 同 - same, similar; together with, alike
• 余 - surplus, remainder; surname

Traditional characters:

• 同 - same, similar; together with, alike
• 餘 - surplus, remainder, excess