无穷大

無窮大

wúqióngdà

noun #34,040

Meanings

HSK 7-9

当x趋向于零时，1/x趋向于无穷大。

Dāng x qūxiàng yú líng shí, 1/x qūxiàng yú wúqióngdà.

As x approaches zero, 1/x tends to infinity.

HSK 7-9

宇宙是不是无穷大，至今仍是个谜。

Yǔzhòu shì bu shì wúqióngdà, zhìjīn réng shì ge mí.

Whether the universe is infinitely large is still a mystery.

usage

无穷大 is the mathematical term - it pairs with 无穷小 (infinitesimal). For 'endless' in everyday speech, 无穷 alone or 无限 is more common.

memory

Read it literally: 'no end big' = 'no end to its bigness' = infinity.

无 wú

穷 qióng

大 dà