The meaning of ORIFICE is an opening (such as a vent, mouth, or hole) through which something may pass. How to use orifice in a sentence.

An orifice is any opening, mouth, hole or vent, as in a pipe, a plate, or a body. This disambiguation page lists articles associated with the title Orifice. If an internal link incorrectly led you here, you may wish …

An orifice plate is a thin, flat piece of metal with a precisely machined hole in the middle. This hole, or orifice, is designed to create a pressure drop in the flow of a fluid, which can then be measured to …

Oct 7, 2025 · An orifice is a small opening or hole through which a fluid, such as a liquid or gas, is passed. While its design is basic, an orifice is used to achieve predictable behaviors in systems …

An orifice plate is a device used for measuring flow rate, reducing pressure or restricting flow (in the latter two cases it is often called a restriction plate). An orifice plate is a thin plate with a hole in it, …

ORIFICE definition: 1. an opening or hole, especially one in the body, such as the mouth: 2. an opening or hole…. Learn more.

The orifice meter consists of a flat orifice plate with a circular hole drilled in it. There is a pressure tap upstream from the orifice plate and another just downstream.