• noun:   a support or foundation

  Example: "The base of the lamp"

• noun:   place that runner must touch before scoring
• noun:   (electronics) the part of a transistor that separates the emitter from the collector
• noun:   installation from which a military force initiates operations

  Example: "The attack wiped out our forward bases"

• noun:   a flat bottom on which something is intended to sit

  Example: "A tub should sit on its own base"

• noun:   the principal ingredient of a mixture

  Example: "Glycerinated gelatin is used as a base for many ointments"

• noun:   the place where you are stationed and from which missions start and end
• noun:   (anatomy) the part of an organ nearest its point of attachment

  Example: "The base of the skull"

• noun:   the bottom or lowest part

  Example: "The base of the mountain"

• noun:   (numeration system) the positive integer that is equivalent to one in the next higher counting place
• noun:   the bottom side of a geometric figure from which the altitude can be constructed

  Example: "The base of the triangle"

• noun:   any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water

  Example: "Bases include oxides and hydroxides of metals and ammonia"

• noun:   lowest support of a structure

  Example: "It was built on a base of solid rock"

• noun:   the stock of basic facilities and capital equipment needed for the functioning of a country or area

  Example: "The industrial base of Japan"

• noun:   the fundamental assumptions from which something is begun or developed or calculated or explained
• noun:   a lower limit
• noun:   the most important or necessary part of something
• noun:   (linguistics) the form of a word after all affixes are removed
• noun:   an intensely anti-western terrorist network that dispenses money and logistical support and training to a wide variety of radical Islamic terrorist group; has cells in more than 50 countries
• verb:   use as a basis for; found on

  Example: "Base a claim on some observation"

• verb:   use (purified cocaine) by burning it and inhaling the fumes
• verb:   assign to a station
• adjective:   illegitimate
• adjective:   having or showing an ignoble lack of honor or morality

  Example: "That liberal obedience without which your army would be a base rabble- Edmund Burke"

• adjective:   of low birth or station (`base' is archaic in this sense)

  Example: "Baseborn wretches with dirty faces"

• adjective:   not adhering to ethical or moral principles

  Example: "Base and unpatriotic motives"

• adjective:   (used of metals) consisting of or alloyed with inferior metal

  Example: "Base coins of aluminum"

• adjective:   debased; not genuine

  Example: "An attempt to eliminate the base coinage"

• adjective:   serving as or forming a base

  Example: "The painter applied a base coat followed by two finishing coats"

• name:  A surname (very rare: popularity rank in the U.S.: #30771)

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