base

Sense 1 noun

installation from which a military force initiates operations

the attack wiped out our forward bases

Sense 2 verb

use as a basis for; found on

base a claim on some observation

Sense 3 adjective

serving as or forming a base

the painter applied a base coat followed by two finishing coats

Sense 4 noun

lowest support of a structure

it was built on a base of solid rock

Sense 5 verb

situate as a center of operations

we will base this project in the new lab

Sense 6 adjective

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

baseborn wretches with dirty faces

Sense 7 noun

a place that the runner must touch before scoring

he scrambled to get back to the bag

Sense 8 verb

use (purified cocaine) by burning it and inhaling the fumes

Sense 9 adjective

(used of metals) consisting of or alloyed with inferior metal

base coins of aluminum

Sense 10 noun

the bottom or lowest part

the base of the mountain

Sense 11 adjective

not adhering to ethical or moral principles

base and unpatriotic motives

Sense 12 noun

(anatomy) the part of an organ nearest its point of attachment

the base of the skull

Sense 13 adjective

having or showing an ignoble lack of honor or morality

that liberal obedience without which your army would be a base rabble

Sense 14 noun

a lower limit

the government established a wage floor

Sense 15 adjective

illegitimate

Sense 16 noun

the fundamental assumptions from which something is begun or developed or calculated or explained

the whole argument rested on a basis of conjecture

Sense 17 adjective

debased; not genuine

an attempt to eliminate the base coinage

Sense 18 noun

a support or foundation

the base of the lamp

Sense 19 noun

a phosphoric ester of a nucleoside; the basic structural unit of nucleic acids (DNA or RNA)

Sense 20 noun

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

Sense 21 noun

the bottom side of a geometric figure from which the altitude can be constructed

the base of the triangle

Sense 22 noun

the most important or necessary part of something

the basis of this drink is orange juice

Sense 23 noun

(numeration system) the positive integer that is equivalent to one in the next higher counting place

10 is the radix of the decimal system

Sense 24 noun

the place where you are stationed and from which missions start and end

Sense 25 noun

(linguistics) the form of a word after all affixes are removed

thematic vowels are part of the stem

Sense 26 noun

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

the industrial base of Japan

Sense 27 noun

the principal ingredient of a mixture

glycerinated gelatin is used as a base for many ointments

Sense 28 noun

a flat bottom on which something is intended to sit

a tub should sit on its own base

Sense 29 noun

(electronics) the part of a transistor that separates the emitter from the collector