Nucleophile vs. Base

Nucleophilenoun

(chemistry) A compound or functional group that is attractive to centres of positive charge, and donates electrons, especially donating an electron pair to an electrophile to form a bond.

Basenoun

Something from which other things extend; a foundation.

Nucleophile

In chemistry, a nucleophile is a chemical species that forms bonds with electrophiles by donating an electron pair. All molecules and ions with a free pair of electrons or at least one pi bond can act as nucleophiles.

Basenoun

A supporting, lower or bottom component of a structure or object.

Basenoun

The starting point of a logical deduction or thought; basis.

Basenoun

A permanent structure for housing military personnel and material.

Basenoun

The place where decisions for an organization are made; headquarters.

Basenoun

A basic but essential component or ingredient.

Basenoun

A substance used as a mordant in dyeing.

Basenoun

(cosmetics) Foundation: a cosmetic cream to make the face appear uniform.

Basenoun

(chemistry) Any of a class of generally water-soluble compounds, having bitter taste, that turn red litmus blue, and react with acids to form salts.

Basenoun

Important areas in games and sports.

Basenoun

A safe zone in the children's games of tag and hide-and-go-seek.

Basenoun

(baseball) One of the three places that a runner can stand without being subject to being tagged out.

Basenoun

(architecture) The lowermost part of a column, between the shaft and the pedestal or pavement.

Basenoun

A nucleotide's nucleobase in the context of a DNA or RNA biopolymer.

Basenoun

(botany) The end of a leaf, petal or similar organ where it is attached to its support.

Basenoun

(electronics) The name of the controlling terminal of a bipolar transistor (BJT).

Basenoun

(geometry) The lowest side of a in a triangle or other polygon, or the lowest face of a cone, pyramid or other polyhedron laid flat.

Basenoun

(heraldry) The lowest third of a shield or escutcheon.

Basenoun

(heraldry) The lower part of the field. See escutcheon.

Basenoun

(mathematics) A number raised to the power of an exponent.

‘The logarithm to base 2 of 8 is 3.’;

Basenoun

(mathematics) lang=en.

Basenoun

(topology) The set of sets from which a topology is generated.

Basenoun

(topology) A topological space, looked at in relation to one of its covering spaces, fibrations, or bundles.

Basenoun

In hand-to-hand balance, the person who supports the flyer; the person that remains in contact with the ground.

Basenoun

(linguistics) A morpheme (or morphemes) that serves as a basic foundation on which affixes can be attached.

Basenoun

(music) lang=en

Basenoun

The smallest kind of cannon.

Basenoun

(archaic) The housing of a horse.

Basenoun

A kind of skirt (often of velvet or brocade, but sometimes of mailed armour) which hung from the middle to about the knees, or lower.

Basenoun

(obsolete) The lower part of a robe or petticoat.

Basenoun

(obsolete) An apron.

Basenoun

A line in a survey which, being accurately determined in length and position, serves as the origin from which to compute the distances and positions of any points or objects connected with it by a system of triangles.

Basenoun

The game of prisoners' bars.

Baseverb

(transitive) To give as its foundation or starting point; to lay the foundation of.

Baseverb

(transitive) To be located (at a particular place).

Baseverb

To act as a base; to be the person supporting the flyer.

Baseadjective

(obsolete) Low in height; short.

Baseadjective

Low in place or position.

Baseadjective

(obsolete) Of low value or degree.

Baseadjective

(archaic) Of low social standing or rank; vulgar, common.

Baseadjective

Morally reprehensible, immoral; cowardly.

Baseadjective

Inferior; unworthy, of poor quality.

Baseadjective

Designating those metals which are not classed as precious or noble.

Baseadjective

Alloyed with inferior metal; debased.

‘base coin’; ‘base bullion’;

Baseadjective

(obsolete) Of illegitimate birth; bastard.

Baseadjective

Not classical or correct.

‘base Latin’;

Baseadjective

obsolete form of bass

‘the base tone of a violin’;

Baseadjective

(legal) Not held by honourable service.

‘A base estate is one held by services not honourable, or held by villenage. Such a tenure is called base, or low, and the tenant is a base tenant.’;

Baseadjective

Of little, or less than the usual, height; of low growth; as, base shrubs.

Baseadjective

Low in place or position.

Baseadjective

Of humble birth; or low degree; lowly; mean.

Baseadjective

Illegitimate by birth; bastard.

‘Why bastard? wherefore base?’;

Baseadjective

Of little comparative value, as metal inferior to gold and silver, the precious metals.

Baseadjective

Alloyed with inferior metal; debased; as, base coin; base bullion.

Baseadjective

Morally low. Hence: Low-minded; unworthy; without dignity of sentiment; ignoble; mean; illiberal; menial; as, a base fellow; base motives; base occupations.

Baseadjective

Not classical or correct.

Baseadjective

Deep or grave in sound; as, the base tone of a violin.

Baseadjective

Not held by honorable service; as, a base estate, one held by services not honorable; held by villenage. Such a tenure is called base, or low, and the tenant, a base tenant.

Basenoun

The bottom of anything, considered as its support, or that on which something rests for support; the foundation; as, the base of a statue.

Basenoun

Fig.: The fundamental or essential part of a thing; the essential principle; a groundwork.

Basenoun

The lower part of a wall, pier, or column, when treated as a separate feature, usually in projection, or especially ornamented.

Basenoun

That extremity of a leaf, fruit, etc., at which it is attached to its support.

Basenoun

The positive, or non-acid component of a salt; a substance which, combined with an acid, neutralizes the latter and forms a salt; - applied also to the hydroxides of the positive elements or radicals, and to certain organic bodies resembling them in their property of forming salts with acids.

Basenoun

The chief ingredient in a compound.

Basenoun

A substance used as a mordant.

Basenoun

The exterior side of the polygon, or that imaginary line which connects the salient angles of two adjacent bastions.

Basenoun

The line or surface constituting that part of a figure on which it is supposed to stand.

Basenoun

The number from which a mathematical table is constructed; as, the base of a system of logarithms.

Basenoun

A low, or deep, sound. (Mus.) (a) The lowest part; the deepest male voice. (b) One who sings, or the instrument which plays, base.

‘The trebles squeak for fear, the bases roar.’;

Basenoun

A place or tract of country, protected by fortifications, or by natural advantages, from which the operations of an army proceed, forward movements are made, supplies are furnished, etc.

Basenoun

The smallest kind of cannon.

Basenoun

That part of an organ by which it is attached to another more central organ.

Basenoun

The basal plane of a crystal.

Basenoun

The ground mass of a rock, especially if not distinctly crystalline.

Basenoun

The lower part of the field. See Escutcheon.

Basenoun

The housing of a horse.

Basenoun

A kind of skirt (often of velvet or brocade, but sometimes of mailed armor) which hung from the middle to about the knees, or lower.

Basenoun

The lower part of a robe or petticoat.

Basenoun

An apron.

Basenoun

The point or line from which a start is made; a starting place or a goal in various games.

‘To their appointed base they went.’;

Basenoun

A line in a survey which, being accurately determined in length and position, serves as the origin from which to compute the distances and positions of any points or objects connected with it by a system of triangles.

Basenoun

A rustic play; - called also prisoner's base, prison base, or bars.

Basenoun

Any one of the four bounds which mark the circuit of the infield.

Baseverb

To put on a base or basis; to lay the foundation of; to found, as an argument or conclusion; - used with on or upon.

Baseverb

To abase; to let, or cast, down; to lower.

‘If any . . . based his pike.’;

Baseverb

To reduce the value of; to debase.

‘Metals which we can not base.’;

Basenoun

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’;

Basenoun

installation from which a military force initiates operations;

‘the attack wiped out our forward bases’;

Basenoun

lowest support of a structure;

‘it was built on a base of solid rock’; ‘he stood at the foot of the tower’;

Basenoun

place that runner must touch before scoring;

‘he scrambled to get back to the bag’;

Basenoun

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

‘10 is the radix of the decimal system’;

Basenoun

the bottom or lowest part;

‘the base of the mountain’;

Basenoun

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

‘the base of the skull’;

Basenoun

a lower limit;

‘the government established a wage floor’;

Basenoun

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

‘the whole argument rested on a basis of conjecture’;

Basenoun

a support or foundation;

‘the base of the lamp’;

Basenoun

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

‘the base of the triangle’;

Basenoun

the most important or necessary part of something;

‘the basis of this drink is orange juice’;

Basenoun

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

Basenoun

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

Basenoun

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

‘thematic vowels are part of the stem’;

Basenoun

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

‘the industrial base of Japan’;

Basenoun

the principal ingredient 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’;

Basenoun

a flat bottom on which something is intended to sit;

‘a tub should sit on its own base’;

Basenoun

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

Baseverb

use as a basis for; found on;

‘base a claim on some observation’;

Baseverb

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

Baseverb

assign to a station

Baseadjective

serving as or forming a base;

‘the painter applied a base coat followed by two finishing coats’;

Baseadjective

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

‘base coins of aluminum’; ‘a base metal’;

Baseadjective

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

‘baseborn wretches with dirty faces’; ‘of humble (or lowly) birth’;

Baseadjective

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’;

Baseadjective

having or showing an ignoble lack of honor or morality;

‘that liberal obedience without which your army would be a base rabble’; ‘taking a mean advantage’; ‘chok'd with ambition of the meaner sort’; ‘something essentially vulgar and meanspirited in politics’;

Baseadjective

illegitimate

Baseadjective

debased; not genuine;

‘an attempt to eliminate the base coinage’;

Basenoun

the lowest part or edge of something, especially the part on which it rests or is supported

‘she sat down at the base of a tree’;

Basenoun

the part of a column between the shaft and pedestal or pavement.

Basenoun

the end at which a part or organ is attached to the trunk or main part

‘a shoot is produced at the base of the stem’;

Basenoun

a line or surface on which a figure is regarded as standing

‘the base of the triangle’;

Basenoun

a known line used as a geometrical base for trigonometry.

Basenoun

the lowest part of a shield.

Basenoun

a conceptual structure or entity on which something draws or depends

‘the town's economic base collapsed’;

Basenoun

a foundation or starting point for further work

‘she uses existing data as the base for the study’;

Basenoun

a group of people regarded as supporting an organization, for example by buying its products

‘a customer base’;

Basenoun

a place used as a centre of operations by the armed forces or others; a headquarters

‘he headed back to base’;

Basenoun

the main place where a person works or stays

‘she makes the studio her base’; ‘your hotel is a good base from which to explore’;

Basenoun

a main or important element or ingredient to which other things are added

‘soaps with a vegetable oil base’;

Basenoun

a substance into which a pigment is mixed to form paint, such as water, oil, or powdered aluminium hydroxide.

Basenoun

a substance used as a foundation for make-up

‘her make-up artist works with base, eye make-up, and lipstick’;

Basenoun

a substance capable of reacting with an acid to form a salt and water, or (more broadly) of accepting or neutralizing hydrogen ions.

Basenoun

a purine or pyrimidine group in a nucleotide or nucleic acid.

Basenoun

the middle part of a bipolar transistor, separating the emitter from the collector.

Basenoun

the root or stem of a word or a derivative.

Basenoun

the uninflected form of a verb.

Basenoun

a number used as the basis of a numeration scale.

Basenoun

a number in terms of which other numbers are expressed as logarithms.

Basenoun

each of the four stations that must be reached in turn to score a run.

Baseverb

use (something specified) as the foundation or starting point for something

‘entitlement will be based on income’; ‘the film is based on a novel by Pat Conroy’;

Baseverb

situate at a specified place as the centre of operations

‘a London-based band’; ‘the Science Policy Review Unit is based at the University of Sussex’;

Baseadjective

without moral principles; ignoble

‘the electorate's baser instincts of greed and selfishness’;

Baseadjective

denoting or befitting a person of low social class.

Baseadjective

(of coins or other articles) not made of precious metal

‘the basest coins in the purse were made in the 620s AD’;