What does the word matrix mean?

Usage examples for matrix

  1. You're to keep the racket and the blue and white tie and the opal matrix pin and anything else you like to remember me by. – Left Guard Gilbert by Ralph Henry Barbour
  2. They are, however, at present almost destitute of tools for moving the soil, and of washing implements for separating the gold from the earthy matrix, and have therefore to pick it out with their knives, or to use their fingers for that purpose; a circumstance which in some measure accounts for the small products of gold up to the present time, the export being only about 300 ounces since the 6th of last October. – Handbook to the new Gold-fields by R. M. Ballantyne
  3. Yet the thought would at times dawn up from somewhere in the infinite matrix of thought, that perhaps, if he went to college, and graduated, and dressed like a gentleman, and did everything as gentlemen do, in short, claimed his rank, and lived as a marquis should, as well as a fisherman might,- then - then- was it not- might it not be within the bounds of possibility- just within them- that the great hearted, generous, liberty loving Lady Clementina, groom as he had been, menial as he had heard himself called, and as, ere yet he knew his birth, he had laughed to hear, knowing that his service was true,- that she, who despised nothing human, would be neither disgusted nor contemptuous nor wrathful, if, from a great way off, at an awful remove of humility and worship, he were to wake in her a surmise that he dared feel towards her as he had never felt and never could feel towards any other? – The Marquis of Lossie by George MacDonald