Word: 芯 (xīn, xìn) 芯 dictionary entry xīn the pith of the rush plant (used as a lampwick); core xìn used in 芯子[xin4 zi5]; wick; forked tongue of a snake or lizard Full dictionary entry for 芯 Example sentences using 芯 3 sentences, showing page 1 of 1. 灯盏不加油，枉费芯 dēngzhǎn bù jiāyóu, wǎngfèi xīn a lamp dish with no oil added: the wick is wasted 灯盏没油，火烧芯 dēngzhǎn méi yóu, huǒshāo xīn a lamp dish with no oil: the fire burns the wick 车胎拔了气门芯，瘪了 chētāi báile qìmén xīn, biěle A tyre with its valve core pulled out: flat