The Suffix OSIS, ESIS and ASIS – Sentence Examples

The Suffix OSIS, ESIS and ASIS – Sentence Examples

The suffix ASIS, ESIS or OSIS is very common in English. The video provides a clear definition and then 6 illustrated sentence examples so you clearly understand the meaning of suffix ion.

Here is a transcript of the video: “Words With the Suffix ASIS, ESIS or OSIS”

Slide 2:
The suffix ASIS, ESIS, or OSIS means

a course of ACTION
a PROCESS
a CONDITION

Note: the suffixes ASIS and OSIS are often used in medicine to describe a diseased condition

Slide 3:
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Let’s now consider two examples of words with the suffix ASIS:

Slide 4:
EMPHASIS

Definition: special force, value, importance or prominence given to something

Slide 5:
The picture shows the word ADVERTISEMENT in British and American English.

Sentence example: In British English, emphasis is put on the 2nd syllable in adVERtisement, whereas American English emphasizes the 3rd syllable, adverTISEment.

Slide 6:
PSORIASIS

Definition: an inflammatory skin disease marked by red itchy patches and silvery scales (not contagious)

Slide 7:
In the picture we see a young woman with a skin problem on her legs.

Sentence example: Symptoms of psoriasis often start between the ages of 15 and 25, but they can appear at any age among men, women and children.

Let’s consider two examples of words with the suffix ESIS:

Slide 8:
GENESIS

Definition: the beginning or origin of something

Slide 9:
The picture shows a star forming in outer space.

Sentence example: This photograph, taken by the Hubble Space Telescope, records the genesis of a star.

Slide 10:
THESIS

Definition: a statement or theory that is proposed, to be maintained or proved

Slide 11:
In the picture we see physicist Marie Curie in her laboratory and on the right, some of her notes.

Sentence example: Marie Curie’s handwritten thesis “Research on Radioactive Substances”, and other notebooks and research materials, are still kept in a lead-lined box as they are too radioactive to be touched.

Finally, let’s look at two examples of words with the suffix OSIS:

Slide 12:
METAMORPHOSIS

Definition: a complete change or transformation from one state to another

Slide 13:
In the picture two diagrams show the development of two different eggs.

Sentence example: The first example on the left shows a complete metamorphosis, as the adult does not resemble the larva. The second example shows an incomplete metamorphosis as the adult still resembles the young nymph.

Side 14:
OSMOSIS

Definition: the movement of water molecules through a cell membrane from an area of high concentration to an area of low concentration

Slide 15:
The picture shows a student with her head in between a pile of books. On the right is a diagram of osmosis taking place in a glass beaker.

Sentence example: The student wished the transfer of knowledge could take place through osmosis!

Slide 16:
So remember, the suffix ASIS, ESIS, or OSIS mean

a course of ACTION
a PROCESS
a CONDITION

Examples in this module included:

EMPHASIS
PSORIASIS
GENESIS
THESIS
METAMORPHOSIS
OSMOSIS

Slide 17:
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Slide 18:
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If you are interested in words with the suffix OSIS, ESIS, or ASIS, then be sure to check this page:
Words With the Suffix ION

Image Credits

Slide 7 – psoriasis
Creative Commons
https://flic.kr/p/3uNMVL

Slide 9 – genesis
Creative Commons
https://flic.kr/p/CgLVGe

Slide 11 – Marie Curie
Public Domain
http://www.amazopedia.com/marie-curie-notebooks-are-still-radioactive-and-needs-lead-box/

Slide 13 – metamorphosis
Creative Commons
https://commons.wikimedia.org/wiki/File:Holometabolous_vs._Hemimetabolous.svg

Slide 15 – osmosis
Creative Commons
https://flic.kr/p/4mFzVJ
Diagram
Creative Commons
https://commons.wikimedia.org/wiki/File:0307_Osmosis.jpg

Regarding the use of illustrations and photographs used in this video:

Creative Commons Attribution Licence
Others are allowed to copy, distribute, display, and perform copyrighted work – and derivative works based upon it if they give credit to the creator or source.
https://creativecommons.org/licenses/by/4.0/legalcode

Public Domain
Public domain works are not restricted by copyright and do not require a license or fee to use. Public domain status allows the user unrestricted access and unlimited creativity. These are typically very old works.