Damper vs Undefined - What's the difference?

As adjectives the difference between damper and undefined

is that damper is (damp) while undefined is lacking a definition or value.

is something that damps or checks:.

(en noun)

Something that damps or checks:

# A valve or movable plate in the flue or other part of a stove, furnace, etc., used to check or regulate the draught of air.

# A contrivance (sordine), as in a pianoforte, to deaden vibrations; or, as in other pieces of mechanism, to check some action at a particular time.

# Something that kills the mood.

#* (rfdate) W. Black

Nor did Sabrina?s presence seem to act as any damper at the modest little festivities.

# A device that decreases the oscillations of a system.

(chiefly, Australia) Bread made from a basic recipe of flour, water, milk, and salt, but without yeast.

* 1827, , Two Years in New South Wales'', ii.190, quoted in G. A. Wilkes, ''A Dictionary of Australian Colloquialisms , 1978, ISBN 0-424-00034-2,

The farm-men usually bake their flour into flat cakes, which they call dampers , and cook these in the ashes.

* (Rudyard Kipling), His Gift

(head)

(damp)

* ----

(wikipedia undefined) (-)

Lacking a definition or value.

(mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.

The result of division by zero is undefined .

* defined