1.any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water;
bases include oxides and hydroxides of metals and ammonia
2.installation from which a military force initiates operations;
the attack wiped out our forward bases
3.lowest support of a structure;
it was built on a base of solid rock
4.place that runner must touch before scoring;
he scrambled to get back to the bag
5.(numeration system) the positive integer that is equivalent to one in the next higher counting place;
10 is the radix of the decimal system
6.the bottom or lowest part;
the base of the mountain
7.(anatomy) the part of an organ nearest its point of attachment;
the base of the skull
8.a lower limit;
the government established a wage floor
9.the fundamental assumptions from which something is begun or developed or calculated or explained;
the whole argument rested on a basis of conjecture
10. a support or foundation;
the base of the lamp
11. the bottom side of a geometric figure from which the altitude can be constructed;
the base of the triangle
12. the most important or necessary part of something;
the basis of this drink is orange juice
13. the place where you are stationed and from which missions start and end
14. (linguistics) the form of a word after all affixes are removed;
thematic vowels are part of the stem
15. the stock of basic facilities and capital equipment needed for the functioning of a country or area;
the industrial base of Japan
16. the principal ingredient of a mixture;
glycerinated gelatin is used as a base for many ointments
17. a flat bottom on which something is intended to sit;
a tub should sit on its own base
18. (electronics) the part of a transistor that separates the emitter from the collector
19.serving as or forming a base;
the painter applied a base coat followed by two finishing coats
20.(used of metals) consisting of or alloyed with inferior metal;
base coins of aluminum
21.of low birth or station (`base' is archaic in this sense);
baseborn wretches with dirty faces
22.not adhering to ethical or moral principles;
base and unpatriotic motives
23.having or showing an ignoble lack of honor or morality;
that liberal obedience without which your army would be a base rabble- Edmund Burke
24.illegitimate
25.debased; not genuine;
an attempt to eliminate the base coinage
1.use as a basis for; found on;
base a claim on some observation
2.use (purified cocaine) by burning it and inhaling the fumes
3.assign to a station