The difference between Base and Head

Base as a noun:

Something from which other things extend; a foundation. A supporting, lower or bottom component of a structure or object.

Base as a noun:

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

Base as a noun:

A permanent structure for housing military personnel and material.

Base as a noun:

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

Base as a noun (cooking, painting, pharmacy):

A basic but essential component or ingredient.

Base as a noun:

A substance used as a mordant in dyeing.

Base as a noun (cosmetics):

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

Base as a noun (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.

Base as a noun (baseball):

Important areas in games and sports. A safe zone in the children's games of tag and hide-and-go-seek. One of the three places that a runner can stand without being subject to being tagged out.

Base as a noun (architecture):

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

Base as a noun (biology, biochemistry):

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

Base as a noun (botany):

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

Base as a noun (electronics):

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

Base as a noun (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.

Base as a noun (heraldiccharge):

The lowest third of a shield or escutcheon.

Base as a noun (heraldry):

The lower part of the field. See .

Base as a noun (mathematics):

A number raised to the power of an exponent.

Base as a noun (mathematics):

.

Base as a noun (topology):

The set of sets from which a topology is generated.

Base as a noun (topology):

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

Base as a noun (acrobatics, cheerleading):

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

Base as a noun (linguistics):

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

Base as a noun (music):

Base as a noun (military, historical):

The smallest kind of cannon.

Base as a noun (archaic):

The housing of a horse.

Base as a noun (historical, in the plural):

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.

Base as a noun (obsolete):

The lower part of a robe or petticoat.

Base as a noun (obsolete):

An apron.

Base as a noun:

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.

Base as a verb (transitive):

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

Base as a verb (transitive):

To be located (at a particular place).

Base as a verb (acrobatics, cheerleading):

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

Base as an adjective (obsolete):

Low in height; short.

Base as an adjective:

Low in place or position.

Base as an adjective (obsolete):

Of low value or degree.

Base as an adjective (archaic):

Of low social standing or rank; vulgar, common.

Base as an adjective:

Morally reprehensible, immoral; cowardly.

Base as an adjective (now, rare):

Inferior; unworthy, of poor quality.

Base as an adjective:

Designating those metals which are not classed as or .

Base as an adjective:

Alloyed with inferior metal; debased.

Base as an adjective (obsolete):

Of illegitimate birth; bastard.

Base as an adjective:

Not classical or correct.

Base as an adjective:

Base as an adjective (legal):

Not held by honourable service.

Base as a noun (now, chiefly, US, historical):

The game of prisoners' bars.

Head as a noun (countable):

The part of the body of an animal or human which contains the brain, mouth and main sense organs. To do with heads. # Mental or emotional aptitude or skill. # Mind; one's own thoughts. #* {{quote-book|lang=en|year=1935|author=[https://www.goodreads.com/author/show/288354.George_Goodchild George Goodchild] |title=Death on the Centre Court|chapter=1 |passage=“Anthea hasn't a notion in her head but to vamp a lot of silly mugwumps. She's set her heart on that tennis blokewhom the papers are making such a fuss about.”}} # A headache; especially one resulting from intoxication. #* 1888, , ‘Thrown Away', Plain Tales from the Hills, Folio Society 2005 edition, page 18, #*: he took them seriously, too, just as seriously as he took the ‘head' that followed after drink. # A headdress; a covering for the head. # An individual person. #* but here we are obliged to diſcloſe ſome Maxims, which Publicans hold to be the grand Myſteries of their Trade. And, laſtly, if any of their Gueſts call but for little, to make them pay a double Price for every Thing they have ; ſo that the Amount by the Head may be much the ſame.}} To do with heads. # A single animal. # The population of game. # The antlers of a deer.

Head as a noun (countable):

The topmost, foremost, or leading part. The end of a table. # The end of a rectangular table furthest from the entrance; traditionally considered a seat of honor. # The end of a pool table opposite the end where the balls have been racked. The principal operative part of a machine or tool. # The end of a hammer, axe, golf club or similar implement used for striking other objects. # The end of a nail, screw, bolt or similar fastener which is opposite the point; usually blunt and relatively wide. # The sharp end of an arrow, spear or pointer. # The top part of a lacrosse stick that holds the ball. # A drum head, the membrane which is hit to produce sound. # A machine element which reads or writes electromagnetic signals to or from a storage medium. # The part of a disk drive responsible for reading and writing data. # The cylinder head, a platform above the cylinders in an internal combustion engine, containing the valves and spark plugs. The foam that forms on top of beer or other carbonated beverages. The end cap of a cylindrically-shaped pressure vessel. Deposits near the top of a geological succession. The end of an abscess where pus collects. The headstock of a guitar. A leading component. # The top edge of a sail. # The bow of a vessel. A headland.

Head as a noun (social, countable):

A leader or expert. The place of honour, or of command; the most important or foremost position; the front. Leader; chief; mastermind. A headmaster or headmistress. A person with an extensive knowledge of hip hop.

Head as a noun (anatomy):

A significant or important part. A beginning or end, a protuberance. # The source of a river; the end of a lake where a river flows into it. # A clump of seeds, leaves or flowers; a capitulum. #* | passage=Plant breeding is always a numbers game.The wild species we use are rich in genetic variation, . In addition, we are looking for rare alleles, so the more plants we try, the better. These rarities may be new mutations, or they can be existing ones that are neutral—or are even selected against—in a wild population. A good example is mutations that disrupt seed dispersal, leaving the seeds on the heads long after they are ripe.}} ## An ear of wheat, barley, or other small cereal. ## The leafy top part of a tree. # The rounded part of a bone fitting into a depression in another bone to form a ball-and-socket joint. # The toilet of a ship. # Tiles laid at the eaves of a house. A component. # The principal melody or theme of a piece. # A morpheme that determines the category of a compound or the word that determines the syntactic type of the phrase of which it is a member.

Head as a noun:

Headway; progress.

Head as a noun:

Topic; subject.

Head as a noun (uncountable):

Denouement; crisis.

Head as a noun (fluid dynamics):

Pressure and energy. A buildup of fluid pressure, often quantified as pressure head. The difference in elevation between two points in a column of fluid, and the resulting pressure of the fluid at the lower point. More generally, energy in a mass of fluid divided by its weight.

Head as a noun (slang, uncountable):

Fellatio or cunnilingus; oral sex.

Head as a noun (slang):

The glans penis.

Head as a noun (slang, countable):

A heavy or habitual user of illicit drugs.

Head as a noun (obsolete):

Power; armed force.

Head as an adjective:

Of, relating to, or intended for the head.

Head as an adjective:

Foremost in rank or importance.

Head as an adjective:

Placed at the top or the front.

Head as an adjective:

Coming from in front.

Head as a verb (transitive):

To be in command of. (See also .)

Head as a verb (transitive):

To strike with the head; as in soccer, to head the ball

Head as a verb (intransitive):

To move in a specified direction.

Head as a verb (fishing):

To remove the head from a fish.

Head as a verb (intransitive):

To originate; to spring; to have its course, as a river.

Head as a verb (intransitive):

To form a head.

Head as a verb:

To form a head to; to fit or furnish with a head.

Head as a verb:

To cut off the top of; to lop off.

Head as a verb (obsolete):

To behead; to decapitate.

Head as a verb:

To go in front of; to get in the front of, so as to hinder or stop; to oppose; hence, to check or restrain.

Head as a verb:

To set on the head.