Directions: Select the word which means the same as the group of words given. Something like an opening, particularly one in the body such as a nostril
Orifice
Understanding the Meaning of 'Opening in the Body'
The question asks us to find a single word that means "Something like an opening, particularly one in the body such as a nostril". We need to examine the provided options and determine which one best fits this description.
Analyzing the Options
Let's look at the meaning of each word provided in the options:
- Oblique: This word generally means something that is neither parallel nor at a right angle; it is slanting or sloping. It can also mean indirect or evasive in attitude. This definition does not relate to an opening in the body.
- Obtuse: This word is used to describe something that is annoyingly insensitive or slow to understand. In geometry, an obtuse angle is one that is greater than 90 degrees. This definition does not relate to an opening in the body.
- Orifice: This word refers to an opening, especially one that is part of the body, like a mouth, nostril, or anus.
- Obscure: This word means not discovered, known about, or not clearly understood or expressed. Something that is obscure is unclear, uncertain, or hidden. This definition does not relate to an opening in the body.
Identifying the Correct Term for Body Opening
Based on the definitions, the word that directly matches the description "Something like an opening, particularly one in the body such as a nostril" is 'Orifice'. An orifice is specifically defined as an opening in the body.
Let's compare the meanings directly with the question's requirement:
- Oblique: Does not mean an opening.
- Obtuse: Does not mean an opening.
- Orifice: Means an opening, specifically in the body. This fits perfectly.
- Obscure: Does not mean an opening.
Therefore, the word 'Orifice' is the correct term that describes an opening, especially one in the body.
Revision Table: Vocabulary Meanings
| Word | Meaning | Fits Question? |
|---|---|---|
| Oblique | Slanting; indirect | No |
| Obtuse | Slow to understand; angle > 90° | No |
| Orifice | An opening, especially in the body | Yes |
| Obscure | Not clear; hidden | No |
Additional Information on Orifices and Body Openings
The term 'orifice' is commonly used in anatomy and physiology to describe various natural openings in the body. These openings serve different functions, such as allowing substances to enter or leave the body.
Examples of orifices in the human body include:
- Mouth (oral orifice) - for ingestion
- Nostrils (external nares) - for breathing
- Ear canal opening (external auditory meatus) - for hearing
- Pupil - opening in the eye for light
- Anus - for excretion
- Urethral opening - for urination
Understanding terms like 'orifice' is important in biology and medicine as they are precise ways to refer to specific anatomical structures.
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