革蘭氏陰性

Gram negative (bacteria that do not retain Gram stain, often the more dangerous kind)

animal hide / leather / to reform / to remove / to expel (from office)

surname Lan / abbr. for Lanzhou 蘭州|兰州[Lan2 zhou1], Gansu

orchid (蘭花|兰花 Cymbidium goeringii) / fragrant thoroughwort (蘭草|兰草 Eupatorium fortunei) / lily magnolia (木蘭|木兰)

Mr Gram / Dr. Hans Christian Jaochim Gram (1953-1938), Danish doctor and inventor of the Gram stain 革蘭氏染色法|革兰氏染色法

clan name / maiden name

see 月氏[Yue4 zhi1] and 閼氏|阏氏[yan1 zhi1]

surname Yin

overcast (weather) / cloudy / shady / Yin (the negative principle of Yin and Yang) / negative (electric.) / feminine / moon / implicit / hidden / genitalia

negative / feminine

nature / character / property / quality / attribute / sexuality / sex / gender / suffix forming adjective from verb / suffix forming noun from adjective, corresponding to -ness or -ity / essence / CL:個|个[ge4]