-ation, -ization (-iz[e] + -ation); -isation (British spelling variation)

(Greek > Latin: a suffix; action, act, process, state, or condition; or result of doing something)

Although there are over 1,450 word entries ending with -ation or -ization listed in this unit, there are certainly many more which exist in the English language. At any rate, this unit provides a significant number of -ation and -ization examples for you to see.

obscuration (s) (noun), obscurations (pl)
The state of being darkened or hidden: Sharon was watching the obscuration of the moon during the eclipse.
obsecration (s) (noun), obsecrations (pl)
1. The act of praying or begging for intervention by one's God or by one's friends, neighbors, or relatives: In his obsecration, the farmer implored the assistance of his neighbors during the time of the flood.
2. Entreating solemnly; beseeching; supplicating: After Sam lost everything during the tornado storms, he tried to utilize obsecration with government officials for enough funding so he could rebuild his home for his family.
3. Asking for something humbly or earnestly, as by praying: Janice was a scholarship applicant who even tried obsecration in hopes of being accepted by the university of her choice.
observance, observation
observance (uhb ZUR vuhns) (noun)
1. The practice of paying close attention to something; such as, customs or rules: As a driver, Mark is expected to maintain a close observance of posted speed limits.
2. A regular and accepted practice or rite: The observance of the liturgical calendar was important to the members of the religious community.
observation (ahb" zuhr VAY shuhn) (noun)
1. The process of recognizing or perceiving information or a fact: By close observation, Alisha will note the change in the weather.
2. A statement dependant on information: Based on how dark the clouds are in the sky, it is Michael's observation that there will be a storm very soon.

It is Greg's observation that the observance of local holidays is important to the community.

obviation (s) (noun), obviations (pl)
occultation (s) (noun), occultations (pl)
The passage of a celestial body across a line between observers and another celestial object: An example of occultation is when the moon moves between Earth and the sun during a solar eclipse.
occupation (s) (noun), occupations (pl)
Etymology: from Latin occupationem, occupatio, "a taking possession, business, employment"; from occupare, from ob-, "over" + capare, "to grasp, to seize".
ocean fertilization
The process of seeding waters of the open ocean with iron, or other nutrients, with the purpose of increasing phytoplankton growth so as to increase the uptake of carbon dioxide from the atmosphere into ocean waters.
1. Eye-like spots or markings; such as, on the tail feathers of a peacock.
2. A situation in which there are eye-like, or ocellate, markings.
3. An eye-spot pattern on the wing of a moth or butterfly, functioning as a means of intimidating predators.
Movement of the eye in any direction.
A process of adding a distinctive odor, or smell, to natural gas so that its presence can be more easily detected and so prevent a potential explosion.
A metabolic pathway of fatty acid oxidation involving the carbon atom farthest removed from the original carboxyl group.
oneration (s) (noun), onerations (pl)
A process that involves loading.
open pollination, open-pollination
Pollination by insects, birds, wind, or other natural mechanisms.

The seeds of open-pollinated plants will produce new generations of those plants.

1. The act of making something carry out its function, or controlling or managing the way it works.
2. The state of functioning or of being in effect. The ban on playing loud music will bput into operation starting next week.
3. Something that is carried out; especially, something difficult or complex.
4. Any surgical procedure; that is, one carried out to repair damage to a body part.
5. An organized campaign, maneuver, or other form of action, especially one carried out by rescue personnel, the police, or diplomatic personnel.
6. An action conducted by military forces that can range in scope from a reconnaissance mission to an entire campaign: "Operation Desert Storm".
7. A mathematical process in which entities are derived from others through the application of rules; for example, subtraction, multiplication, or differentiation.
8. A series of actions performed by a computer, defined by an instruction and forming part of a computer program.
9. A business deal or financial transaction.
10. An illegal, dishonest, or underhanded business; for example, he got involved in a shady gambling operation.