渐近线

Traditional form:

漸近線

Pinyin (reading):

jiànjìnxiàn

Definitions:

• (math.) asymptote

Characters:

• 渐 - gradually
• 近 - to approach; near, close; intimate
• 线 - line, thread, wire; clue, trail

Traditional characters:

• 漸 - gradually
• 近 - to approach; near, close; intimate
• 線 - line, thread, wire; clue, trail