# surface
## English
### Etymology

From French surface. Doublet of superficies.

### Pronunciation

* (UK) IPA: /ˈsɜːfɪs/
* (US) IPA: /ˈsɝːfəs/
** Audio (US):(file)
* (Indic) IPA: /ˈsɜːʳfeːs/, /saʳˈfeːs/

### Noun

surface (plural surfaces)
* The overside or up-side of a flat object such as a table, or of a liquid.
** 1963, Margery Allingham, “Foreword”, in The China Governess: A Mystery, London: Chatto & Windus, →OCLC:A very neat old woman, still in her good outdoor coat and best beehive hat, was sitting at a polished mahogany table on whose surface there were several scored scratches so deep that a triangular piece of the veneer had come cleanly away, […].
** 2020 June 1, DarkSky International, Five Principles for Responsible Outdoor Lighting‎:Use the lowest light level required. Be mindful of surface conditions, as some surfaces may reflect more light into the night sky than was intended.
* The outside hull of a tangible object.
** 2013 May 11, “The climate of Tibet: Pole-land”, in The Economist, volume 407, number 8835, page 80:Of all the transitions brought about on the Earth’s surface by temperature change, the melting of ice into water is the starkest. It is binary. And for the land beneath, the air above and the life around, it changes everything.
** 2013 July 20, “Welcome to the plastisphere”, in The Economist, volume 408, number 8845:[The researchers] noticed many of their pieces of [plastic marine] debris sported surface pits around two microns across.
* (figurative) Outward or external appearance.
    On the surface, the spy looked like a typical businessman.
** 1782, Vicesimus Knox, “On knowing the world at an early age”, in Liberal education: […]‎, 4th edition, London: Charles Dilly […], pages 393–394:Such characters as have nothing but external accompliſhments to recommend them, may indeed be greatly admired and approved by vain and weak underſtandings, which penetrate no deeper than the ſurface; but they are deſpiſed by all the truly ſenſible, and pitied by all the truly good.
** 1907 August, Robert W[illiam] Chambers, chapter IX, in The Younger Set, New York, N.Y.: D. Appleton & Company, →OCLC:“A tight little craft,” was Austin’s invariable comment on the matron; and she looked it, always trim and trig and smooth of surface like a converted yacht cleared for action. ¶ Near her wandered her husband, orientally bland, invariably affable, […].
* (mathematics, geometry) The locus of an equation (especially one with exactly two degrees of freedom) in a more-than-two-dimensional space.
* (crosswording) The story or image suggested by a cryptic clue, when read as a whole sentence without considering wordplay.
** 2010 May 3, Sandy Balfour, “Beginner's guide to solving cryptic crosswords”, in The Guardian‎:The surface is clearly about people like you and me, those whose better days are behind us and who now shop at M&S.
** 2018 December 7, Bryan Lawson, The Design Student's Journey: understanding How Designers Think, Routledge, →ISBN:If you are fooled by the surface you start thinking about internet browsers. But in this case it deviously refers to an animal that feeds by browsing, which is a longer standing use of the word.
** 2024 June 4, Peter Biddlecombe, “Sunday Times clue writing contest 2020: Lepanto”, in Sunday Times‎:This clue with a booze-related surface uses “sandwich” wordplay, with an insertion of P from “priceless” into “lean to”, which the Oxford Dictionary of English lists as an alternative to “lean towards”, meaning the same as “incline to”.

#### Synonyms

* overside
* superfice (archaic)

#### Derived terms

* air-to-surface
* air-to-surface missile
* Alfvén surface
* Alfven surface
* antisurface
* archaeosurface
* attack surface
* below the surface
* beneath the surface
* Catalan surface
* caustic surface
* cavosurface
* conical surface
* control surface
* countersurface
* datum surface
* desurface
* detectable warning surface
* developable surface
* Earth Surface Person
* Earth surface person
* earth surface person
* Earth Surface Person
* eigensurface
* equipotential surface
* ergosurface
* faying surface
* Fermi surface
* Fréchet surface
* free surface
* Gaussian surface
* heating surface
* Hurwitz surface
* hypersurface
* intersurface
* isosurface
* land-surface
* land surface
* last scattering surface
* lateral surface
* metasurface
* microsurface
* midsurface
* minimal surface
* Morin surface
* multisurface
* nanosurface
* near-surface
* near surface
* nonsurface
* on the surface
* overspray surface texture
* palaeosurface
* paleosurface
* pseudosurface
* resurface
* Riemann surface
* scratch below the surface
* scratch beneath the surface
* scratch the surface
* sea surface
* sea-surface
* Seifert surface
* streamsurface
* sub-surface
* subsurface
* subway-surface
* surfaceable
* surface-active
* surface analysis
* surface area
* surface boundary layer
* surface car
* surface clutter
* surface combatant
* surface-conduction electron-emitter display
* surface discharge
* surface-dwelling
* surface energy
* surface etymology
* surface finish
* surface gravity
* surface integral
* surface interval
* surface layer
* surfaceless
* surface-level
* surface lift
* surfacely
* surface mail
* surfaceman
* surface-mount
* surface mount
* surface mounted
* surface mounted technology
* surface-mount technology
* surface mount technology
* surface noise
* surface normal
* surface of revolution
* surfaceome
* surface patch
* surface plasmon
* surface quality
* surfacer
* surface runoff
* surface ship
* surface street
* surface-supplied diving
* surface tension
* surface-to-air
* surface-to-air missile
* surface-to-surface
* surface-to-surface missile
* surfaceward
* surfacewards
* surface water
* surface Web
* surface web
* surfacic
* surfacism
* surfacy
* surfel
* surfome
* tactile ground surface indicator
* tactile walking surface indicator
* undersurface
* under the surface
* work surface
* worksurface

#### Related terms

* surficial

#### Translations
### Verb

surface (third-person singular simple present surfaces, present participle surfacing, simple past and past participle surfaced)
* (transitive) To provide something with a surface.
* (transitive) To apply a surface to something.
    The crew surfaced the road with bitumen.
* (intransitive) To rise to the surface.
    There was great relief when the missing diver finally surfaced.
* (transitive) To bring to the surface.
** 2007, Patrick Valentine, The Sage of Aquarius, page 182:Sage went immediately to work; Damien surfaced the submarine and readied the group to meet outside the hatch.
* (intransitive, figurative) To come out of hiding.
* (intransitive, of information, facts, content, etc) To become known or apparent; to appear or be found.
** 2013, George Walkden, “The status of hwæt in Old English”, in English Language and Linguistics, volume 17, number 3, →DOI:Subordinate clauses, by contrast, exhibit V1 or V2 only around 35% of the time, with the verb usually surfacing later.
** 2024 May 24, Keith Habersberger, "The Try Guys Tell All" (video on Anthony Padilla's YouTube channel), 5:20:
    They're not growing. Why would I surface them to new people? [...That] makes our video surface less, and that makes the next video surface less.
* (transitive) To make (information, facts, content, etc) known.
** 2024 May 24, Keith Habersberger, "The Try Guys Tell All" (video on Anthony Padilla's YouTube channel), 5:20:
    They're not growing. Why would I surface them to new people? [...That] makes our video surface less, and that makes the next video surface less.
* (intransitive) To work a mine near the surface.

#### Translations
## French
### Etymology

From sur- +‎ face, calque of Latin superficies.

### Pronunciation

* IPA: /syʁ.fas/
* Audio:(file)
* Homophones: surfaces, surfacent

### Noun

surface f (plural surfaces)
* surface
    Near-synonym: superficie

#### Derived terms

* eau de surface
* faire surface
* grande surface
* refaire surface
* surface de réparation
* surfacique
* technicien de surface

### Further reading

* “surface”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.