庚 gang¹ {gēng}

1. age
2. seventh of the ten Heavenly Stems 十天干
3. seventh in order
4. letter "G" or roman "VII" in list "A, B, C", or "I, II, III" etc
5. hepta

庚寅 gang¹ jan⁴ {gēng yín}

twenty seventh year G-3 of the 60 year cycle, e.g. 2010 or 2070

庚午 gang¹ ng⁵ {gēng wǔ}

seventh year G-7 of the 60 year cycle, e.g. 1990 or 2050

庚申 gang¹ san¹ {gēng shēn}

fifty seventh year G-9 of the 60 year cycle, e.g. 1980 or 2040

庚辰 gang¹ san⁴ {gēng chén}

seventeenth year G-5 of the 60 year cycle, e.g. 2000 or 2060

庚戌 gang¹ seot¹ {gēng xū}

forty seventh year G-11 of the 60 year cycle, e.g. 1970 or 2030

庚糖 gang¹ tong⁴ {gēng táng}

heptose (CH2O)7, monosaccharide with seven carbon atoms

庚子 gang¹ zi² {gēng zǐ}

1. thirty seventh year G-1 of the 60 year cycle, e.g. 1960 or 2020
2. cf 庚子國變, the crisis year of 1900 involving the Boxer uprising and the eight nation military invasion

庚子國變〔--国变〕 gang¹ zi² gwok³ bin³ {gēng zǐ guó biàn}

the crisis year of 1900 involving the Boxer uprising and the eight nation military invasion