# acute angle

**Acute angle**is a tautogram (all words start with the same letter). View more tautograms!

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## Definition of the noun acute angle

What does acute angle mean as a name of something?

**noun**

- an angle less than 90 degrees but more than 0 degrees
- lexical domain: Shapes - nouns denoting two and three dimensional shapes
- more generic term: oblique angle = an angle that is not a right angle or a multiple of a right angle

## Printed dictionaries and other books with definitions for acute angle

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### Iconographic Encyclopaedia of Science, Literature, and Art (1852)

by Johann Georg Heck

Here **the side opposite an acute angle**, as abc or m, divided by the hypothenuse,
as —r , is called the sine of that angle, likewise the cosine of the other acute
angle, bac or n; 2, **the side opposite an acute angle**, abc, divided by the other
short ...

### The Popular Encyclopedia (1862)

Or, Conversations Lexicon

**An acute angle**, A B C, fig. 8, is less than a right angle. An obtuse angle, ABC, fig.
9, is greater than a right angle. Superficies or surfaces are either plane or curved.
A plane superficies, or a plane, is that in which, if any two points be taken, the ...

### The London encyclopaedia, or, Universal dictionary of science, art, literature, and practical mechanics, by the orig. ed. of the Encyclopaedia metropolitana [T. Curtis].

by Thomas Curtis (of Grove house sch, Islington)

But they found that, if more were added, it would be necessary to tell the strokes
one by one; they therefore expressed five by joining two strokes together in **an
acute angle**, thus, V, which is the more probable, as the progression of the
Roman ...

### Encyclopedia of Imaging (2008)

by Albert L. Baert

lesion, found in rapidly growing lesions that penetrate through the cortex
causing separation of the periosteum and formation of lamellated new bone,
once the periosteum elevates to a significant degree, it can break forming **an
acute angle**.

### Maths Dictionary (1999)

by Steve Mills, Hilary Koll

* An acute angle is a turn that is less than 90*° (90 degrees). \ acute
angle

**acute angle**90°. addition. Addition is finding the total of two or more numbers. We use the plus sign (+) when we add numbers together. adjacent. Adjacent ...

### Encyclopaedia Britannica, Or a Dictionary of Arts, Sciences, and Miscellaneous Literature (1810)

And the procefs may be repeated for **a rhombus whose acute angle** is oneeighth,
one-fixteenth, &c. of a right angle; that is, any portion of a right angle that is
produced by continual bifećtion. Two forces, forming the fides of fuch a rhombus,
...

### The universal etymological English dictionary (1731)

by Nathan Bailey

**An Acute ANGLE** [Geo- metry] is an angle that is less than a right angle, or than
90 degrees, as in the figure, and is so called, because the angular point is sharp.
An Obtuse ANGLE s Geometry] is one which has its angular point blunt or broad,
...

### The new universal English dictionary. Buchanan (1760)

by Nathan Bailey

**An Acute ANGLE** {Geometry) is an angle that is less than a right angle, or than 90
degrees, as in the figure, and is lo called, because the angular point is sharp.

### Rudimentary Dictionary of Terms Used in Architecture Civil, Architecture Naval ... (1860)

**An
acute angle** is less than a right angle. An obtuse angle is greater than a right ...

## Online dictionaries and encyclopedias with entries for acute angle

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## Photos about acute angle

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**Acute angle**

"Kilen", Copenhagen Business School. Architects: Lundgaard & Tranberg 2004-2006

Photo credit: malouette

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