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Diametral vs. Diametrically: Know the Difference

Shumaila Saeed
By Shumaila Saeed || Updated on December 25, 2023
Diametral refers to something related to or measuring a diameter, whereas diametrically means completely or directly opposite.
Diametral vs. Diametrically

Key Differences

Diametral is an adjective relating to the diameter of a circle or sphere, emphasizing aspects of measurement or geometry. It denotes the line passing through the center of a circle or sphere. Diametrically, used as an adverb, signifies a manner of being completely or directly opposite, often in terms of opinions, ideas, or positions.
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Dec 03, 2023
In geometry, diametral refers to dimensions or properties involving the diameter, such as in the phrase "diametral size." In contrast, diametrically is employed to describe opposing viewpoints or stances, as in "diametrically opposed ideas," highlighting a stark contrast between two elements.
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As an adjective, diametral modifies nouns, giving a qualitative description related to diameters. For example, "diametral thickness" describes the thickness measured by the diameter. Diametrically, being an adverb, modifies verbs, adjectives, or other adverbs, indicating the manner or degree of opposition, as in "diametrically opposed methods."
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The term diametral is primarily used in technical or scientific contexts, especially in mathematics and engineering. Diametrically, however, is more versatile and finds its application in a broader range of contexts, including everyday language, to emphasize complete opposition or difference.
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Both words stem from the Greek word "diametros," meaning diameter, but have evolved in usage. Diametral remains closer to its geometric roots, whereas diametrically has expanded to describe conceptual and metaphorical oppositions.
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Comparison Chart

Meaning

Related to a diameter
Completely opposite
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Usage

Measurement and geometry
Opposition and contrast
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Grammatical Function

Adjective
Adverb
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Scope of Application

Technical, scientific contexts
Broad, including everyday language
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Linguistic Origin

Greek "diametros" (diameter)
Greek "diametros" (diameter), but evolved to describe opposition
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Diametral and Diametrically Definitions

Diametral

Related to Diameter
The diametral width of the pipe was measured.
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Diametrically

Absolute Opposition
Their goals are diametrically opposed to ours.
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Diametral

Technical Term
The diametral pitch of the gear was precisely calculated.
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Diametrically

Directly Contrary
The outcomes were diametrically opposite to our expectations.
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Diametral

Measurement Aspect
They assessed the diametral growth of the tree.
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Diametrically

Metaphorically Opposite
Their approaches are diametrically opposite.
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Diametral

Geometric Property
Diametral dimensions are crucial in engineering design.
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Diametrically

Completely Opposite
Their views were diametrically opposed.
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Diametral

Cylindrical Feature
The diametral clearance of the bearing is important.
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Diametrically

In Direct Contrast
The two theories are diametrically different.
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Diametral

A straight line segment passing through the center of a figure, especially of a circle or sphere, and terminating at the periphery.
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Oct 19, 2023

Diametrically

Of, relating to, or along a diameter.
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Diametral

The length of such a segment.
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Diametrically

Exactly opposite; contrary.
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Diametral

Thickness or width.
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Diametrically

Separated by a diameter, on exactly the opposite side.
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Diametral

A unit of magnification equal to the number of times an object's linear dimensions is increased by the magnifying apparatus.
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Diametrically

(especially in the phrase diametrically opposed) Absolutely (in opposition).
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Diametral

Of, relating to, or measured across a diameter.
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Diametrically

In a diametrical manner; directly; as, diametrically opposite.
Whose principles were diametrically opposed to his.
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Diametral

Contrary; diametrically opposed.
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Diametrically

As from opposite ends of a diameter;
When two honest witnesses give accounts of the same event that differ diametrically, how can anyone prove that the evidence you gave was deliberately false?
Three of these brushes were approximately 120 feet apart and the fourth diametrically opposite to one of the three
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Diametral

(obsolete) A diameter.
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Diametral

Pertaining to a diameter; diametrical.
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Diametral

A diameter.
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Diametral

Related to or along a diameter;
The diametral plane
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Repeatedly Asked Queries

Can "diametral" be used in describing opinions?

Yes, it can describe opinions that are completely opposite.
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What does "diametral" mean?

"Diametral" refers to something related to a diameter or directly opposite.
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What does "diametrically opposed" mean?

It means being in complete and absolute opposition to something.
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Is "diametral" common in everyday language?

"Diametral" is less common and more formal, often used in specific contexts like mathematics or formal debates.
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How can "diametrically" enhance a sentence?

It adds emphasis to the extent of opposition or contrast in a statement.
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How is "diametrically" used?

"Diametrically" is an adverb used to describe actions or states that are completely opposite.
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How often is "diametrically" used?

"Diametrically" is used fairly regularly, especially in contexts involving stark contrasts or oppositions.
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Dec 03, 2023

Is "diametrically" used in scientific contexts?

Yes, especially in physics and geometry, to describe opposing points or positions.
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Dec 03, 2023

Can "diametrically" be used metaphorically?

Yes, it's often used metaphorically to describe stark differences in ideas, beliefs, or opinions.
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Is "diametral" related to "diameter"?

Yes, it derives from the same root, referring to a straight line passing from side to side through the center of a body or figure.
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Can "diametral" refer to physical distances?

Yes, it can refer to distances measured across the diameter of an object.
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How is "diametrically" used in literature?

In literature, it's used to describe characters, themes, or ideas that are in complete opposition.
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Can "diametral" describe relationships?

Yes, especially when referring to relationships that are fundamentally opposite or contrasting.
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What is a "diametral plane"?

A diametral plane is a plane that divides a figure or body into two equal halves by passing through its diameter.
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What are synonyms for "diametrically"?

Synonyms include "completely," "entirely," or "utterly opposed."
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What is an example of a "diametral" concept?

An example would be the North and South poles on a globe.
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Does "diametral" have synonyms?

Synonyms include "opposite," "contrary," or "antithetical."
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Can "diametral" be used in philosophy?

Yes, particularly in discussions about dualities or opposing theories.
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Is "diametrically" appropriate for casual conversation?

It can be used, but it might sound formal in casual settings.
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Is "diametrically" used in mathematical contexts?

Yes, particularly when describing opposing angles or sides in geometry.
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Dec 03, 2023

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About Author
Shumaila Saeed
Written by
Shumaila Saeed
Shumaila Saeed, an expert content creator with 6 years of experience, specializes in distilling complex topics into easily digestible comparisons, shining a light on the nuances that both inform and educate readers with clarity and accuracy.

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