pharmaceutical
来自拉丁语pharmaceuticus，意思是“药物的”，来自古希腊语pharmakon，表示药物。
词根pharm,pharma=drug. 联想记忆p人们harm受伤

of, relating to, or engaged in pharmacy or the manufacture and sale of pharmaceuticals <a pharmaceutical company>
a medicinal drug
adj. 制药（学）的
n. 药物

例句:
We are engaged in a legal tussle with a large pharmaceutical company.
我们正同一家大制药公司闹法律纠纷。

pharmacy
单词的本意是“对药物的使用”，后意思扩展为存放和销售药物的药店
Also called pharmaceutics. the art and science of preparing and dispensing drugs and medicines.
a drugstore
n. 药房；配药学，药剂学；制药业；一批备用药品

pharmacist
a person licensed to prepare and dispense drugs and medicines; druggist; apothecary; pharmaceutical chemist.
n. 药剂师；药商;药学家[亦作 pharmaceutist]

pharmacology
the science dealing with the preparation, uses, and esp. the effects of drugs.
n. 药物学，药理学

例句:
She took up a post as research assistant in the Department of Pharmacology.
她在药物学系做研究助理。

pharmacopeia
pei,peo词根表示to make制作，加上前边的药，单词的字面含义就是“an official book listing drugs and containing directions for their preparation”，即“一本正式记录药品列表和制备方法的书”。

a book describing drugs, chemicals, and medicinal preparations especially : one issued by an officially recognized authority and serving as a standard
a collection or stock of drugs
n.药典；处方汇编

Pepsi pepsin peptic

pepsin
a protease of the stomach that breaks down most proteins to polypeptides
a preparation containing pepsin that is obtained from the stomach especially of the hog and is used especially as a digestive aid
n. 胃蛋白酶；胃朊酶 ；(从牛、猪等胃液中提炼出来的帮助消化蛋白质等物质的)助消化药[亦作 pepsine]

peptic
relating to or promoting digestion : DIGESTIVE
of, relating to, producing, or caused by pepsin <peptic digestion>
connected with or resulting from the action of digestive juices <a peptic ulcer>
A digestive agent
a substance promoting digestion
adj. 有助消化的;胃液素的
n. 消化器官；消化性物质，促进消化物质

例句:
Gastritis may cause symptoms resembling those of peptic ulcer.
胃炎可引起类似消化性溃疡的症状。