| 染厂 | [ rǎn chǎng  ]    dye factory, dye-works | 
| 染指于鼎 | [ rǎn zhǐ yú dǐng  ]    lit. dip one's finger in the tripod (idiom); fig. to get one's finger in the pie, to get a share of the action | 
| 染织 | [ rǎn zhī  ]    dyeing and weaving | 
| 染色质 | [ rǎn sè zhì  ]    chromosome, genetic material of chromosome | 
| 染色体 | [ rǎn sè tǐ  ]    chromosome | 
| 染色体三倍体症 | [ rǎn sè tǐ sān beì tǐ zhèng  ]    trisomy | 
| 染色体倍性 | [ rǎn sè tǐ beì xìng  ]    ploidy (number of homologous chromosomes) | 
| 染风习俗 | [ rǎn fēng xí sú  ]    bad habits, to get into bad habits through long custom | 
| 染发 | [ rǎn fà  ]    to dye one's hair, rinse, tint | 
| 染发剂 | [ rǎn fà jì  ]    hair dye, rinse, tint | 
| ⇒ 一尘不染 | [ yī chén bù rǎn  ]    untainted by even a speck of dust (idiom); selfless and incorruptible, spotless | 
| ⇒ 传染 | [ chuán rǎn  ]    to infect, contagious | 
| ⇒ 传染性 | [ chuán rǎn xìng  ]    infectious, epidemic | 
| ⇒ 传染源 | [ chuán rǎn yuán  ]    source of an infection | 
| ⇒ 传染病 | [ chuán rǎn bìng  ]    infectious disease, contagious disease, pestilence | 
| ⇒ 传染病学 | [ chuán rǎn bìng xué  ]    epidemiology | 
| ⇒ 噪声污染 | [ zaò shēng wū rǎn  ]    noise pollution | 
| ⇒ 基因染色体异常 | [ jī yīn rǎn sè tǐ yì cháng  ]    genetic chromosome abnormality | 
| ⇒ 多腺染色体 | [ duō xiàn rǎn sè tǐ  ]    polytene chromosome | 
| ⇒ 大气污染 | [ dà qì wū rǎn  ]    air pollution, atmospheric pollution | 
| ⇒ 实验室感染 | [ shí yàn shì gǎn rǎn  ]    laboratory infection | 
| ⇒ 常染色体 | [ cháng rǎn sè tǐ  ]    autosomal chromosome, autosome, autosomal | 
| ⇒ 感染人数 | [ gǎn rǎn rén shù  ]    number of infected persons | 
| ⇒ 感染性腹泻 | [ gǎn rǎn xìng fù xiè  ]    infective diarrhea | 
| ⇒ 晕染 | [ yùn rǎn  ]    to smudge (become smeared), to smudge (create a blurred effect), shading (wash painting technique) | 
| ⇒ 残余沾染 | [ cán yú zhān rǎn  ]    residual contamination | 
| ⇒ 水质污染 | [ shuǐ zhì wū rǎn  ]    water pollution | 
| ⇒ 污染区 | [ wū rǎn qū  ]    contaminated area | 
| ⇒ 沾染程度检查仪 | [ zhān rǎn chéng dù jiǎn chá yí  ]    contamination meter | 
| ⇒ 环境污染 | [ huán jìng wū rǎn  ]    environmental pollution | 
| ⇒ 空气污染 | [ kōng qì wū rǎn  ]    air pollution | 
| ⇒ 扎染 | [ zā rǎn  ]    to tie-dye | 
| ⇒ 续发感染 | [ xù fā gǎn rǎn  ]    secondary infection | 
| ⇒ 纤尘不染 | [ xiān chén bù rǎn  ]    see 一塵不染|一尘不染[yi1 chen2 bu4 ran3] | 
| ⇒ 蜡染 | [ là rǎn  ]    batik (color printing on cloth using wax) | 
| ⇒ 轧染 | [ yà rǎn  ]    to roll used in dyeing trough | 
| ⇒ 轧染机 | [ yà rǎn jī  ]    pressure roller used in dyeing trough | 
| ⇒ 轻染 | [ qīng rǎn  ]    tinge | 
| ⇒ 革兰氏染色法 | [ gé lán shì rǎn sè fǎ  ]    Gram stain (used to distinguished two different kinds of bacteria) | 
| ⇒ 飞沫传染 | [ feī mò chuán rǎn  ]    droplet infection (disease transmission from sneezing, coughing etc) | 
| ⇒ 点染 | [ diǎn rǎn  ]    to touch up (a piece of writing), to add details (to a painting) |