from The American Heritage® Dictionary of the English Language, 5th Edition.
- adjective Not changing or subject to change; constant.
from The Century Dictionary.
- Not variable; constant; uniform; unchanging.
- Not capable of being varied; unalterable; unchangeable.
- noun In mathematics, a quantity that does not vary; a constant.
from the GNU version of the Collaborative International Dictionary of English.
- adjective Not given to variation or change; unalterable; unchangeable; always uniform.
- noun (Math.) An invariable quantity; a constant.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective Not
variable; that always has the same valuein different occurrences.
- adjective mathematics
- adjective by extension, grammar, of a word That cannot undergo
inflection, conjugationor declension.
- noun Something that does not
vary; a constant.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adjective not liable to or capable of change
- noun a quantity that does not vary
from Wiktionary, Creative Commons Attribution/Share-Alike License
It is this that constitutes the invariable laws of motion: I say _invariable_, because they can never change, without producing confusion in the essence of things.
The article is invariable, that is, does not change in form when used with plural nouns, as "la viro", the man, "la viroj", the men.
Dan Treu grinned as he recalled the invariable exchange of personalities when they met.
Now when we analyse the conception of a cause to the bottom, we find as the last residuum in our crucible nothing but what Hume found there long ago, and that is simply the idea of invariable sequence.
Between the years 1860-1875, there grew up in England an absorbing interest in Social Philosophy, and a conviction that the idea of invariable law offered a solution of the progress of society.
And if it be these, the old laws of right and wrong, which this author and his school call invariable and immutable, we shall,
The metaphysical mode of explanation, being less antagonistic than the theological to the idea of invariable laws, is still slower in being entirely discarded.
This Prince was an impartial chief magistrate; he prided himself upon his "invariable" principles of justice, and he allowed nothing to influence his decisions.
There he saw that species of plants and animals were not invariable, as biologists of the time taught, but that there was variation within the species.
It inevitably happens, and it often invariable sucks.