##### Wikipedia

### Cis

**Cis** or **cis-** may refer to:

### CIS (rugby)

**CIS** was a rugby union side that played matches during 1991 and 1992. The side consisted of members of the Commonwealth of Independent States. The team played four matches, losing all four fixtures. Two matches were played in Moscow, with the other two games being played at away venues.

Due to various circumstances, the CIS did not qualify for the 1991 Rugby World Cup.

### Cis (mathematics)

is a rarely used mathematical notation in which , where is the cosine function, is the imaginary unit and is the sine. The notation is redundant, as Euler's formula offers an even shorter and more general short-hand notation for .

### Cis (beetle)

** Cis** is a genus of tree-fungus beetle in the family Ciidae.

##### Wiktionary

### cis

init. Commonwealth of Independent States

#### Usage examples of "cis".

I have preferred to endow Gallia Transalpina with a more pedestrian name because of the hideous confusion nonclassical readers would experience if they had to deal with __Cis__ and Trans.

The Collective Interplanetary Societies-or __CIS__-under the guidance of Phon Ton Anaciliact, had helped prove that Petaybee, the planet, was a sentient entity, and Sean and Yana had scrupulously held to the tenets provided by the __CIS__.

Well, we have an awful lot of work to do to pull out all the __cis__ sites.

But, even with so much to do, the continual delays in convening the __CIS__ hearing were irritating and nerve-racking.

The Bureau's best undercover agent was now their best handler, running agents and __CIs__ throughout the East Coast.