2. (noun)foundation, base, fundament, foot, groundwork, substructure, understructure lowest support of a structure "it was built on a base of solid rock"; "he stood at the foot of the tower"
4. (noun)base the bottom or lowest part "the base of the mountain"
5. (noun)base (anatomy) the part of an organ nearest its point of attachment "the base of the skull"
6. (noun)floor, base a lowerlimit "the government established a wage floor"
7. (noun)basis, base, foundation, fundament, groundwork, cornerstone the fundamental assumptions from which something is begun or developed or calculated or explained
"the whole argument rested on a basis of conjecture"
8. (noun)base, pedestal, stand a support or foundation "the base of the lamp"
9. (noun)nucleotide, base a phosphoric ester of a nucleoside; the basic structural unit of nucleic acids (DNA or RNA)
10. (noun)base, alkali any of various water-soluble compounds capable of turninglitmusblue and reacting with an acid to form a salt and water "bases include oxides and hydroxides of metals and ammonia"
11. (noun)base the bottomside of a geometric figure from which the altitude can be constructed
"the base of the triangle"
12. (noun)basis, base the most important or necessarypart of something
"the basis of this drink is orange juice"
13. (noun)base, radix (numeration system) the positiveinteger that is equivalent to one in the next higher countingplace "10 is the radix of the decimal system"
14. (noun)base, home the place where you are stationed and from which missions start and end
15. (noun)al-Qaeda, Qaeda, al-Qa'ida, al-Qaida, Base a terroristnetwork intensely opposed to the United States that dispenses money and logistical support and training to a wide variety of radical Islamic terrorist groups; has cells in more than 50 countries
16. (noun)root, root word, base, stem, theme, radical (linguistics) the form of a word after all affixes are removed
"thematic vowels are part of the stem"
18. (noun)base the principalingredient of a mixture "glycerinated gelatin is used as a base for many ointments"; "he told the painter that he wanted a yellow base with just a hint of green"; "everything she cooked seemed to have rice as the base"
19. (noun)base a flatbottom on which something is intended to sit
"a tub should sit on its own base"
21. (adj)basal, base serving as or forming a base "the painter applied a base coat followed by two finishing coats"
22. (adj)base, baseborn, humble, lowly of low birth or station (`base' is archaic in this sense)
"baseborn wretches with dirty faces"; "of humble (or lowly) birth"
23. (adj)base (used of metals) consisting of or alloyed with inferiormetal "base coins of aluminum"; "a base metal"
24. (adj)base, immoral not adhering to ethical or moral principles
"base and unpatriotic motives"; "a base, degrading way of life"; "cheating is dishonorable"; "they considered colonialism immoral"; "unethical practices in handling public funds"
25. (adj)base, mean, meanspirited having or showing an ignoble lack of honor or morality "that liberal obedience without which your army would be a base rabble"- Edmund Burke; "taking a mean advantage"; "chok'd with ambition of the meaner sort"- Shakespeare; "something essentially vulgar and meanspirited in politics"