The Chinese word for anaesthetic is
麻醉剂

má zuì jì

Chinese Definition

Components
麻
1. general name for hemp, flax, jute, etc.
大麻 - hemp; cannabis
黃麻 - jute
亞麻 - flax
2. hemp fibre; linen
麻布 - sackcloth; linen
麻繩 - hemp rope
3. (historical, obsolete) hemp band worn on the head or waist by the a mourner
4. mourning garment; mourning apparel
披麻戴孝 - to wear the hemp garments of mourning
5. (historical) imperial edict
6. Short for 芝麻, sesame
麻油 - sesame oil
7. numerous; chaotic
8. coarse; rough
9. spotty; pitted
麻雀 - sparrow
10. (TCM) Short for 麻疹, measles
11. pockmark; pock
麻子 - pockmark; pockmarked person
麻臉 - pockmarked face
12. numb; senseless
麻痺 - paralysis
麻藥 - anesthetic
我的腿都坐麻了。 - My legs have gone numb while sitting.
13. (of foods) having the taste like one of Sichuan pepper
麻辣 - Sichuan pepper-y and spicy
舌頭發麻 - to have a tingling tongue
醉
1. to become drunk; to become intoxicated
喝醉 - to become drunk
2. to intoxicate; to make someone drunk
3. to be fascinated with; to be enchanted by; to be crazy about; to be addicted to
醉心 - to be infatuated with
4. to marinate in cooking wine
醉蝦 - drunken shrimp (dish name)
剂
1. Simplified form of 劑