unalterable
US
(of an animal) that has not been castrated or spayed (= had part of its sex organs removed), or that has not had another body part changed or removed:
Owners must pay a $7 registration fee for neutered pets and $30 for unaltered pets.
The ears of this breed are traditionally cropped, although some modern dogs are unaltered.
It is believed that comets represent the most unaltered material in the solar system.
A complete and mostly unaltered collection of her poetry became available for the first time in 1955.

SMART Vocabulary: related words and phrases

Keeping and staying the same
anti-progressive
calcification
calcify
consistency
consistent
continuum
invariant
inveteracy
kept
leave well aloneidiom
left
stability
stabilization
stabilize
stably
stay
unreformed
wallow
wallow in something
wouldn't have it any other wayidiom

You can also find related words, phrases, and synonyms in the topics:

Zoology: veterinary medicine

Examples of unaltered

unaltered
The point being made is unaltered by this transposition.
In addition, the momentum thickness is assumed to remain unaltered after separation.
During redesign, some fabrications will remain unaltered, while others will be returned to the concept and configuration stages.
Physical processes were seen to be such in which the properties remained unaltered before and after the process.
The individual parts remained unaltered in these processes, and the whole created by them only appeared to be homogeneous.
Apart from the changes explicitly listed, all other parameters were unaltered.
Initially, even the practical organization of the excavations, with large numbers of excavation workers, remained unaltered.
Furthermore, some wrinkled-seeded lines appear to have storage product contents unaltered from the parent line.
More importantly for our purposes, however, controlling for regime type leaves our primary variable of interest unaltered.
For selected ignimbrites, sanidine crystals were taken from fresh, unaltered pumice lapilli.
The hitherto neglected utility buildings had survived largely unaltered, with most of their original finishes.
These pain signals can be suppressed, relayed unaltered or amplified.
All samples were collected far away from the gold lodes, and are thus largely unaltered.
Virtually unaltered amphibolites may have subordinate, late, randomly oriented biotite laths overgrowing the main foliation.
The global movement does not change the disper sion relations and the shapes of the corresponding disper sion curves remain unaltered (relativistic covariant).
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