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Physical education, often abbreviated to Phys. Ed. or PE, and sometimes informally referred to as gym class or simply just gym, is a subject taught in schools around the world.

Pulmonary embolism (PE) is a blockage of an artery in the lungs by a substance that has moved from elsewhere in the body through the bloodstream (embolism). [6] Symptoms of a PE may include shortness of breath, chest pain particularly upon breathing in, and coughing up blood. [1]

The properties of polyethylene are highly dependent on type and number of chain branches. The chain branches in turn depend on the process used: either the high-pressure process (only PE-LD) or the low-pressure process (all other PE grades).

股票 的 市盈率 （英語： Price-to-Earning Ratio ，縮寫： P/E 、 PE 或 PER，台湾稱作 本益比），指每股市價除以 每股盈餘，通常作為股票是便宜抑或昂貴的指標 [1] （通货膨胀 会使每股收益虚增，从而扭曲市盈率的比较价值）。

Minecraft: Pocket Edition (informally known as MCPE or PE) was the former title of the Bedrock Edition of Minecraft developed by Mojang Studios for mobile devices before 1.2.0, although subsequent builds are still commonly (if erroneously) referred to as Pocket Edition.

聚乙烯 （polyethylene， 縮寫： PE）是日常生活中最常用的 塑膠 之一，大量用於製造塑膠袋、薄膜、桶等產品，亦是現時地球上塑膠廢物的最主要類型。

PE 可能是指下列事物的 英文 縮寫： پ，波斯字母表的第三个字母。 體育 （英文 Physical education 的缩写） 市盈率 （Price-to-earning ratio），每股价格与每股收益的比率。 私募股权基金 （Private Equity），投资于非上市公司股权的基金。 IBM Personal Editor

Given broad clinical spectrum of intermediate-risk PE, CDT can be considered in a subset of patients with following characteristics: Intermediate-risk PE with more severe degree of RV dysfunction and positive biomarkers

Weierstrass p (also called "pe"), a mathematical letter (℘) used in Weierstrass's elliptic functions and power sets Péclet number (abbreviated "Pe."), a dimensionless number used in physics