orifice
/'ɔrifis/
Học thuậtThân thiện
Definition
- Noun:
- An opening or aperture, especially one leading into a cavity of the body: An
orificeis a hole or opening, typically one that serves as an entrance or exit to a tube or hollow space within a living body. - Any similar opening or vent: The term can also be applied more generally to any opening, such as the mouth of a cave, a nozzle, or a vent.
Usage Examples
- Noun:
- The dentist examined the orifice of the salivary gland.
- The fuel enters the engine through a small orifice.
- The orifice into the aorta from the lower left chamber of the heart is a critical valve.
Advanced Usage
- Technical/Medical Context: In medicine and biology, is a precise term for natural body openings (e.g., nasal orifices, the urethral orifice).
- The procedure involves dilating the narrowed orifice.
- Engineering/Physics Context: In fluid dynamics, an is a calibrated opening for measuring or controlling flow.
- The flow rate is controlled by an orifice plate.
Variants and Related Words
- Orificial (adj): Pertaining to an orifice.
- The orificial anatomy was studied in detail.
- Orifice Plate (n): A device used to measure the flow rate of a fluid through a pipe.
Synonyms
- Opening: A more general term for a gap or hole.
- Aperture: An opening, hole, or gap, often used in technical contexts (e.g., photography, optics).
- Vent: An opening that allows air, gas, or liquid to pass out of or into a confined space.
- Stoma: A medical term for a small opening, especially one created surgically.
Antonyms
- Closure: The act of closing or the state of being closed.
- Obstruction: Something that blocks or closes an opening.
Related Phrases
- Body orifice: A common phrase specifying natural openings in the body.
- Personal protective equipment is essential when there is a risk of exposure to bodily fluids from any body orifice.
Noun
- an aperture or hole that opens into a bodily cavity
- the orifice into the aorta from the lower left chamber of the heart