齒〔齿〕 ci² {chǐ}

1. tooth
2. CL: 顆

齒狀〔齿状〕 ci² zong⁶ {chǐ zhuàng}

dentation

齒蠹〔齿-〕 ci² dou³ {chǐ dù}

tooth decay

齒根〔齿-〕 ci² gan¹ {chǐ gēn}

root of tooth

齒更〔齿-〕 ci² gang¹ {chǐ gēng}

dental transition (from milk teeth to adult teeth)

齒齲〔齿龋〕 ci² geoi² {chǐ qǔ}

1. tooth decay
2. caries

齒冠〔齿-〕 ci² gun¹ {chǐ guān}

crown of tooth

齒孔〔齿-〕 ci² hung² {chǐ kǒng}

perforations (on a postage stamp)

齒音〔齿-〕 ci² jam¹ {chǐ yīn}

dental consonant

齒及〔齿-〕 ci² kap⁶ {chǐ jí}

1. to mention
2. referring to

齒鯨〔齿鲸〕 ci² king⁴ {chǐ jīng}

1. toothed whales
2. Odontoceti

齒冷〔齿-〕 ci² laang⁵ {chǐ lěng}

to sneer

齒輪〔齿轮〕 ci² leon⁴ {chǐ lún}

1. (machine) gear
2. pinion (gear wheel)

齒齦〔齿龈〕 ci² ngan⁴ {chǐ yín}

1. gum
2. gingiva

齒條〔齿条〕 ci² tiu⁴ {chǐ tiáo}

rack (and pinion)

齒嵴〔齿-〕 ci² zek³ {chǐ jǐ}

alveolar ridge

齒輪箱〔齿轮-〕 ci² leon⁴ soeng¹ {chǐ lún xiāng}

gearbox

齒齦音〔齿龈-〕 ci² ngan⁴ jam¹ {chǐ yín yīn}

alveolar, apical, or supradental sound (linguistics)

齒齦炎〔齿龈-〕 ci² ngan⁴ jim⁴ {chǐ yín yán}

gingivitis

齒頰生香〔齿颊--〕 ci² gaap³ sang¹ hoeng¹ {chǐ jiá shēng xiāng}

1. lit. to feel the taste in one's mouth (idiom)
2. fig. to water at the mouth
3. to drool in anticipation

齒輪傳動〔齿轮传动〕 ci² leon⁴ cyun⁴ dung⁶ {chǐ lún chuán dòng}

gear drive

齒列矯正〔齿-矫-〕 ci² lit⁶ giu² zing³ {chǐ liè jiǎo zhèng}

1. orthodontic treatment
2. orthodontics

齒條齒輪〔齿条齿轮〕 ci² tiu⁴ ci² leon⁴ {chǐ tiáo chǐ lún}

rack and pinion

齒顎矯正學〔齿颚矫-学〕 ci² ngok⁶ giu² zing³ hok⁶ {chǐ è jiǎo zhèng xué}

orthodontics

齒條千斤頂〔齿条--顶〕 ci² tiu⁴ cin¹ gan¹ ding² {chǐ tiáo qiān jīn dǐng}

rack and pinion jack