9 Grammatical Pitfalls

# homogeneous

[hoh-muh-jee-nee-uh s, -jeen-yuh s, hom-uh-] /ˌhoʊ məˈdʒi ni əs, -ˈdʒin yəs, ˌhɒm ə-/
1.
composed of parts or elements that are all of the same kind; not heterogeneous:
a homogeneous population.
2.
of the same kind or nature; essentially alike.
3.
Mathematics.
1. having a common property throughout:
a homogeneous solid figure.
2. having all terms of the same degree:
a homogeneous equation.
3. relating to a function of several variables that becomes multiplied by some power of a constant when each variable is multiplied by that constant: x 2 y 3 is a homogeneous expression of degree 5.
4. relating to a differential equation in which a linear combination of derivatives is set equal to zero.
Origin of homogeneous
1635-1645
1635-45; < Medieval Latin homogeneus, equivalent to homogene- (stem of Greek homogenḗs of the same kind; see homo-, gene) + -us -ous
Related forms
nonhomogeneousness, noun
unhomogeneousness, noun
Can be confused
homogeneous, homogenous.
Synonyms
1. unvarying, unmixed, alike, similar, identical.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for un homogeneous

## homogeneous

/ˌhəʊməˈdʒiːnɪəs; ˌhɒm-/
1.
composed of similar or identical parts or elements
2.
of uniform nature
3.
similar in kind or nature
4.
having a constant property, such as density, throughout
5.
(maths)
1. (of a polynomial) containing terms of the same degree with respect to all the variables, as in x² + 2xy + y²
2. (of a function) containing a set of variables such that when each is multiplied by a constant, this constant can be eliminated without altering the value of the function, as in cos x/y + x/y
3. (of an equation) containing a homogeneous function made equal to 0
6.
(chem) of, composed of, or concerned with a single phase Compare heterogeneous
Also (for senses 1–4) homogenous
Derived Forms
homogeneity (ˌhəʊməʊdʒɪˈniːɪtɪ; ˌhɒm-) noun
homogeneousness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Contemporary definitions for un homogeneous

in chemistry, involving substances in the same phase (solid, liquid, or gas)

Examples

A homogeneous substance is salt, NaCl.

Dictionary.com's 21st Century Lexicon
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Word Origin and History for un homogeneous

## homogeneous

1640s, from Medieval Latin homogeneus, from Greek homogenes "of the same kind," from homos "same" (see homo- (1)) + genos "kind, gender, race, stock" (see genus). Earlier in this sense was homogeneal (c.1600).

Online Etymology Dictionary, © 2010 Douglas Harper
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un homogeneous in Medicine

homogeneous ho·mo·ge·ne·ous (hō'mə-jē'nē-əs, -jēn'yəs)

1. Of the same or similar nature or kind.

2. Uniform in structure or composition throughout, as of a chemical mixture.

The American Heritage® Stedman's Medical Dictionary
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### Difficulty index for homogeneous

Few English speakers likely know this word

### Word Value for un

2
4
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