/ɛksˈtɪndʒərəbəl/ (ex-TEN-jər-ə-bəl)

Definitions

1. noun

A file extension, especially in a computer file system.

“The software only supports .txt and .docx ext.”

2. verb

To extend or extend something, especially in a physical sense.

“The engineer ext the bridge to increase its capacity.”

3. abbreviation

Short for external, especially in electrical engineering.

“The circuit was powered by an ext power source.”

4. prefix

Used in words to indicate something is external or outside something else.

“The ext environment affected the system’s performance.”