Section vs. Unit — What's the Difference?

One of several components; a piece.

An individual, group, structure, or other entity regarded as an elementary structural or functional constituent of a whole.

A subdivision of a written work.

A group regarded as a distinct entity within a larger group.

(Law) A distinct portion or provision of a legal code or set of laws, often establishing a particular legal requirement

A mechanical part or module.

A distinct portion of a newspaper

An entire apparatus or the equipment that performs a specific function.

A distinct area of a town, county, or country

A precisely specified quantity in terms of which the magnitudes of other quantities of the same kind can be stated.

A land unit equal to one square mile (2.59 square kilometers), 640 acres, or 1/36 of a township.

(Medicine) The quantity of a vaccine, serum, drug, or other agent necessary to produce a specific effect.

The act or process of separating or cutting, especially the surgical cutting or dividing of tissue.

A fixed amount of scholastic study used as a basis for calculating academic credits, usually measured in hours of classroom instruction or laboratory work.

A thin slice, as of tissue, suitable for microscopic examination.

A section of an academic course focusing on a selected theme

A segment of a fruit, especially a citrus fruit.

The number immediately to the left of the decimal point in the Arabic numeral system.

Representation of a solid object as it would appear if cut by an intersecting plane, so that the internal structure is displayed.

The lowest positive whole number; one.

(Music) A group of instruments or voices in the same class considered as a division of a band, orchestra, or choir

An element of a ring with a multiplicative inverse.

A class or discussion group of students taking the same course

(mathematics) Oneness, singularity, seen as a component of a whole number; a magnitude of one.

A portion of railroad track maintained by a single crew.

(sciences) A standard measure of a quantity.

An area in a train's sleeping car containing an upper and lower berth.

The number one.

An army tactical unit smaller than a platoon and larger than a squad.

Ellipsis of international unit

A unit of vessels or aircraft within a division of armed forces.

An organized group comprising people and/or equipment.

One of two or more vehicles, such as a bus or train, given the same route and schedule, often used to carry extra passengers.

A member of a military organization.

The character (§) used in printing to mark the beginning of a section.

(commerce) An item which may be sold singly.

This character used as the fourth in a series of reference marks for footnotes.

Any piece of equipment, such as an appliance, power tool, stereo system, computer, tractor, or machinery.

(Informal) A cesarean section.

A measure of housing equivalent to the living quarters of one household; an apartment where a group of apartments is contained in one or more multi-storied buildings or a group of dwellings is in one or more single storey buildings, usually arranged around a driveway.

To separate or divide into parts.

Any military element whose structure is prescribed by competent authority, such as a table of organization and equipment; specifically, part of an organization.

To cut or divide (tissue) surgically.

An organization title of a subdivision of a group in a task force.

To shade or crosshatch (part of a drawing) to indicate sections.

A standard or basic quantity into which an item of supply is divided, issued, or detailed. In this meaning, also called unit of issue.

(Informal) To perform a cesarean section on.

With regard to Reserve Components of the Armed Forces, denotes a Selected Reserve unit organized, equipped, and trained for mobilization to serve on active duty as a unit or to augment or be augmented by another unit. Headquarters and support functions without wartime missions are not considered units.

A cutting; a part cut out from the rest of something.

(algebra) The identity element, neutral element.

A part, piece, subdivision of anything.

(algebra) An element having an inverse, an invertible element; an associate of the unity.

(music) A group of instruments in an orchestra.

(category theory) In an adjunction, a natural transformation from the identity functor of the domain of the left adjoint functor to the composition of the right adjoint functor with the left adjoint functor.

A part of a document.

(geology) A volume of rock or ice of identifiable origin and age range that is defined by the distinctive and dominant, easily mapped and recognizable petrographic, lithologic or paleontologic features (facies) that characterize it.

An act or instance of cutting.

(UK) A unit of alcohol.

A cross-section (image that shows an object as if cut along a plane).

One kilowatt-hour (as recorded on an electricity meter).

(aviation) A cross-section perpendicular the longitudinal axis of an aircraft in flight.

(historical) A gold coin of the reign of James I, worth twenty shillings.

(surgery) An incision or the act of making an incision.

A work unit.

(sciences) A thin slice of material prepared as a specimen for research.

A physically large person.

(botany) A taxonomic rank below the genus (and subgenus if present), but above the species.

A penis, especially a large one.

(zoology) An informal taxonomic rank below the order ranks and above the family ranks.

For each unit.

(military) A group of 10-15 soldiers led by a non-commissioned officer and forming part of a platoon.

(mathematics) Having a size or magnitude of one.

(category theory) A right inverse.

A single thing or person.

(NZ) A piece of residential land; a plot.

The least whole number; one.

(Canadian) A one-mile square area of land, defined by a government survey.

A gold coin of the reign of James I., of the value of twenty shillings.

Any of the squares, each containing 640 acres, into which the public lands of the United States were divided.

Any determinate amount or quantity (as of length, time, heat, value) adopted as a standard of measurement for other amounts or quantities of the same kind.

The symbol §, denoting a section of a document.

A single thing, as a magnitude or number, regarded as an undivided whole.

(geology) A sequence of rock layers.

Any division of quantity accepted as a standard of measurement or exchange;

A class in a school; a group of students in a regularly scheduled meeting with a teacher in a certain school year or semester or school quarter year.

An individual or group or structure or other entity regarded as a structural or functional constituent of a whole;

To cut, divide or separate into pieces.

An organization regarded as part of a larger social group;

To reduce to the degree of thinness required for study with the microscope.

A single undivided whole;

(UK) To commit (a person, to a hospital, with or without their consent), as for mental health reasons. So called after various sections of legal acts regarding mental health.

A single undivided natural thing occurring in the composition of something else;

To perform a cesarean section on (someone).

An assemblage of parts that is regarded as a single entity;

The act of cutting, or separation by cutting; as, the section of bodies.

A part separated from something; a division; a portion; a slice.

A distinct part or portion of a book or writing; a subdivision of a chapter; the division of a law or other writing; a paragraph; an article; hence, the character often used to denote such a division.

The figure made up of all the points common to a superficies and a solid which meet, or to two superficies which meet, or to two lines which meet. In the first case the section is a superficies, in the second a line, and in the third a point.

A distinct part of a country or people, community, class, or the like; a part of a territory separated by geographical lines, or of a people considered as distinct.

A division of a genus; a group of species separated by some distinction from others of the same genus; - often indicated by the sign .

One of the portions, of one square mile each, into which the public lands of the United States are divided; one thirty-sixth part of a township. These sections are subdivided into quarter sections for sale under the homestead and preëmption laws.

A part of a musical period, composed of one or more phrases. See Phrase.

The description or representation of anything as it would appear if cut through by any intersecting plane; depiction of what is beyond a plane passing through, or supposed to pass through, an object, as a building, a machine, a succession of strata; profile.

A self-contained part of a larger composition (written or musical);

A very thin slice (of tissue or mineral or other substance) for examination under a microscope;

A distinct region or subdivision of a territorial or political area or community or group of people;

One of several parts or pieces that fit with others to constitute a whole object;

A small team of policemen working as part of a police platoon

One of the portions into which something is regarded as divided and which together constitute a whole;

A land unit of 1 square mile measuring 1 mile on a side

(geometry) the area created by a plane cutting through a solid

A division of an orchestra containing all instruments of the same class

A small army unit usually having a special function

A specialized division of a large organization;

A segment of a citrus fruit;

The cutting of or into body tissues or organs (especially by a surgeon as part of an operation)

Divide into segments;