炼 (w)

(liàn) to refine; to smelt

炼丹 (w)

(liàndān) to concoct pills of immortality

炼丹八卦炉 (w)

(liàndānbāguàlú) eight trigrams furnace to cook pills of immortality; symbol of the alchemist's art; Double, double toil and trouble, Fire burn, and cauldron bubble

炼丹术 (w)

(liàndānshù) maker of immortality pill; concocting magic pills

炼之未定 (w)

(liànzhīwèidìng) to spend a long time thinking about sth while unable to reach a decision

炼乳 (w)

(liànrǔ) to condense milk (by evaporation); condensed milk

炼化 (w)

(liànhuà) to refine; refining (e.g. oil, chemicals etc)

炼句 (w)

(liànjù) to polish a phrase

炼奶 (w)

(liànnǎi) condensed milk

炼字 (w)

(liànzì) calligraphy practice; to search for the right word

炼油 (w)

(liànyóu) oil refinery

炼油厂 (w)

(liànyóuchǎng) oil refinery

炼焦 (w)

(liànjiāo) coking; the process of producing coke from coal

炼焦炉 (w)

(liànjiāolú) coking furnace

炼狱 (w)

(liànyù) purgatory

炼珍 (w)

(liànzhēn) a delicacy (food)

炼金术 (w)

(liànjīnshù) alchemy

炼金术士 (w)

(liànjīnshùshì) alchemist

炼钢 (w)

(liàngāng) steel making

炼钢厂 (w)

(liàngāngchǎng) steel mill

炼铁 (w)

(liàntiě) smelting iron

炼铁厂 (w)

(liàntiěchǎng) iron foundry