Definitions of variable

  1. marked by diversity or difference; " the varying angles of roof slope"; " nature is infinitely variable"
  2. a quantity that can assume any of a set of values
  3. a symbol ( like x or y) that is used in mathematical or logical expressions to represent a variable quantity
  4. something that is likely to vary; something that is subject to variation; " the weather is one variable to be considered"
  5. a star that varies noticeably in brightness
  6. ( used of a device) designed so that a property ( as e. g. light) can be varied; " a variable capacitor"; " variable filters in front of the mercury xenon lights"
  7. liable to or capable of change; " rainfall in the tropics is notoriously variable"; " variable winds"; " variable expenses"
  8. Having the capacity of varying or changing; capable of alternation in any manner; changeable; as, variable winds or seasons; a variable quantity.
  9. Liable to vary; too susceptible of change; mutable; fickle; unsteady; inconstant; as, the affections of men are variable; passions are variable.
  10. A quantity which may increase or decrease; a quantity which admits of an infinite number of values in the same expression; a variable quantity; as, in the equation x2 - y2 = R2, x and y are variables.
  11. A shifting wind, or one that varies in force.
  12. Changeable; as, a variable wind; inconstant; fickle; as, variable love.
  13. That which is subject to change; in mathematics, a quantity that may be given many values.
  14. Variably.
  15. Variableness.
  16. That may be varied: changeable: liable to change: unsteady.
  17. ( math.) A quantity subject to continual increase or decrease: a quantity which may have an infinite number of values in the same expression.
  19. An inconstant quantity.
  20. Changeable; unsteady.
  21. Varying; changeable.
  22. That which varies or is liable to change.
  23. Variability.
  24. That may vary or alter; changeable; susceptible of change; mutable; fickle; subject to continual increase or decrease.
  25. That which is variable, specially a quantity.
  26. That may or can be varied or changed; fickle; changeable; inconstant; in math., subject to continual increase or diminution.
  27. In math., a variable quantity.

Usage examples for variable

  1. After getting clear of the straits, I directed my course S. E. by E., having a gentle gale, but variable between the north and west. – A Voyage Towards the South Pole and Round the World, Volume 1 by James Cook
  2. The state of my heart is strange, and my health is as variable as usual in the world, which it is long since I have seen so beautiful. – The Youth of Goethe by Peter Hume Brown
  3. Their presence is constant, but their number variable. – The Confessions of a Beachcomber by E J Banfield
  4. Light and variable winds succeeded. – A Simpleton by Charles Reade
  5. The call rate, though much more variable than all time rates, and sometimes high above them, is, on the average, well below them. – The Value of Money by Benjamin M. Anderson, Jr.
  6. Select for comparison a star slightly fainter, so that a moment's glance will satisfy the observer that the suspected variable is the brighter. – A Plan for Securing Observations of the Variable Stars by E. C. Pickering
  7. As for speed on the road, it is a variable thing, and a thing difficult to estimate correctly. – The Automobilist Abroad by M. F. (Milburg Francisco) Mansfield
  8. And the variable jet type would require an enormous amount of fuel. – The Flying Saucers are Real by Donald Keyhoe
  9. Yet since its return was somewhat variable and uncertain the question, What could man do to assist that return? – Pagan & Christian Creeds Their Origin and Meaning by Edward Carpenter
  10. The amount of curl in different varieties of wool is very variable, being as a rule greatest in the finer qualities, and diminishing as the fibre becomes coarser. – The Dyeing of Woollen Fabrics by Franklin Beech
  11. On different facts of the same kind we possess an amount of details which is infinitely variable according as the documents give us a complete description or a mere mention. – Introduction to the Study of History by Charles V. Langlois Charles Seignobos
  12. The wind came over the waste in gusts that rumbled like distant thunder, and with a power that seemed to threaten to lift the ship and its contents from its proper element, to deliver it to one still more variable and treacherous. – The Red Rover by James Fenimore Cooper
  13. The wind becoming light from the southward, and very variable, we were occupied the whole of the 18th in beating up towards Hammerfest. – Three Voyages for the Discovery of a Northwest Passage from the Atlantic to the Pacific, and Narrative of an Attempt to Reach the North Pole, Volume 2 (of 2) by Sir William Edward Parry
  14. It is very variable in size: some specimens may be but two and a half inches across the expanded wings, while others are four inches. – Butterflies Worth Knowing by Clarence M. Weed
  15. Inasmuch as the organism is variable at every stage of its independent existence and is exposed to the action of natural selection there is no reason why it should escape modification at any stage. – Darwin and Modern Science by A.C. Seward and Others
  16. Professor Robinson's success was variable, but upon the whole he had reason to feel encouraged. – Walter Sherwood's Probation by Horatio Alger