乙 jyut³ {yǐ}

1. second of the ten Heavenly Stems 十天干
2. second in order
3. letter "B" or roman "II" in list "A, B, C", or "I, II, III" etc
4. second party (in legal contract, usually 乙方, as opposed to 甲方)
5. ethyl
6. bent
7. winding
8. radical in Chinese characters (Kangxi radical 5)

乙 jyut³ {zhé}

1. turning stroke (in Chinese characters)
2. see also 折

乙部 jyut³ bou⁶ {yǐ bù}

Second section

乙丑 jyut³ cau² {yǐ chǒu}

second year B-2 of the 60 year cycle, e.g. 1985 or 2045

乙醛 jyut³ cyun⁴ {yǐ quán}

1. acetaldehyde H3CCHO
2. ethanal

乙方 jyut³ fong¹ {yǐ fāng}

1. second party (law)
2. see also 甲方

乙基 jyut³ gei¹ {yǐ jī}

ethyl group (chemistry)

乙肝 jyut³ gon¹ {yǐ gān}

hepatitis B

乙烯 jyut³ hei¹ {yǐ xī}

1. ethylene
2. vinyl

乙亥 jyut³ hoi⁶ {yǐ hài}

twelfth year B-12 of the 60 year cycle, e.g. 1995 or 2055

乙酉 jyut³ jau⁵ {yǐ yǒu}

twenty second year B-10 of the 60 year cycle, e.g. 2005 or 2065

乙型 jyut³ jing⁴ {yǐ xíng}

1. type B
2. type II
3. beta-

乙烷 jyut³ jyun⁴ {yǐ wán}

ethane (C2H6)

乙炔 jyut³ kyut³ {yǐ quē}

1. acetylene
2. ethyne C2H2

乙卯 jyut³ maau⁵ {yǐ mǎo}

fifty second year B-4 of the 60 year cycle, e.g. 1975 or 2035

乙醚 jyut³ mai⁴ {yǐ mí}

1. ether
2. diethyl ether C2H5OC2H5

乙未 jyut³ mei⁶ {yǐ wèi}

thirty second year B-8 of the 60 year cycle, e.g. 1955 or 2015

乙腦〔-脑〕 jyut³ nou⁵ {yǐ nǎo}

1. meningitis B
2. epidemic encephalitis B
3. Japanese encephalitis
4. abbr. for 乙型脑炎

乙醇 jyut³ seon⁴ {yǐ chún}

1. ethanol C2H5OH
2. same as alcohol 酒精

乙酰 jyut³ sin¹ {yǐ xiān}

acetyl (chemistry)

乙酸 jyut³ syun¹ {yǐ suān}

1. acetic acid (CH3COOH)
2. ethanoic acid

乙巳 jyut³ zi⁶ {yǐ sì}

forty second year B-6 of the 60 year cycle, e.g. 1965 or 2025

乙種〔-种〕 jyut³ zung² {yǐ zhǒng}

beta- or type 2

乙烯基 jyut³ hei¹ gei¹ {yǐ xī jī}

1. vinyl
2. vinyl group (chemistry)

乙二醇 jyut³ ji⁶ seon⁴ {yǐ èr chún}

1. glycol
2. ethylene glycol C2H4(OH)2 (antifreeze)

乙氧基 jyut³ joeng⁵ gei¹ {yǐ yǎng jī}

ethoxy (chemistry)

乙氨基 jyut³ on¹ gei¹ {yǐ ān jī}

ethylamino group

乙醇酸 jyut³ seon⁴ syun¹ {yǐ chún suān}

glycolic acid C2H4O3

乙酸根 jyut³ syun¹ gan¹ {yǐ suān gēn}

acetyl radical CH3COO-

乙酸基 jyut³ syun¹ gei¹ {yǐ suān jī}

acetyl radical CH3COO-

乙酸鹽〔--盐〕 jyut³ syun¹ jim⁴ {yǐ suān yán}

acetate CH3COO-

乙型肝炎 jyut³ jing⁴ gon¹ jim⁴ {yǐ xíng gān yán}

hepatitis B

乙型腦炎〔--脑-〕 jyut³ jing⁴ nou⁵ jim⁴ {yǐ xíng nǎo yán}

1. meningitis B
2. epidemic encephalitis B
3. Japanese encephalitis

乙酰膽鹼〔--胆碱〕 jyut³ sin¹ daam² gaan² {yǐ xiān dǎn jiǎn}

acetylcholine ACh (amine related to vitamin B complex)

乙狀結腸〔-状结肠〕 jyut³ zong⁶ git³ coeng⁴ {yǐ zhuàng jié cháng}

1. sigmoid colon (anatomy)
2. bent colon, linking the descending colon to the rectum

乙種粒子〔-种--〕 jyut³ zung² lap¹ zi² {yǐ zhǒng lì zǐ}

beta particle (electron, esp. high speed electron emitted by radioactive nucleus)

乙種射線〔-种-线〕 jyut³ zung² se⁶ sin³ {yǐ zhǒng shè xiàn}

beta ray (electron stream from radioactive decay)

乙種促效劑〔-种--剂〕 jyut³ zung² cuk¹ haau⁶ zai¹ {yǐ zhǒng cù xiào jì}

beta-2 agonist

乙酰胺吡咯烷酮 jyut³ sin¹ on¹ bei² lok⁶ jyun⁴ tung⁴ {yǐ xiān àn bǐ luò wán tóng}

piracetam (C6H10N2O2)