different between projection vs welt

English

Etymology

From either the Middle French projection or its etymon, the Classical Latin pr?iecti? (stem: pr?iecti?n-), from pr?ici?. Compare the Modern French projection, the German Projektion, and the Italian proiezione.

Pronunciation

• IPA^(key): /p???d??k??n/
• Rhymes: -?k??n

Noun

projection (countable and uncountable, plural projections)

1. Something which projects, protrudes, juts out, sticks out, or stands out.

   The face of the cliff had many projections that were big enough for birds to nest on.

2. The action of projecting or throwing or propelling something.
   1. (archaic) The throwing of materials into a crucible, hence the transmutation of metals.
3. (archaic) The crisis or decisive point of any process, especially a culinary process.
4. The display of an image by devices such as movie projector, video projector, overhead projector or slide projector.
5. A forecast or prognosis obtained by extrapolation
6. (psychology) A belief or assumption that others have similar thoughts and experiences as oneself
7. (photography) The image that a translucent object casts onto another object.
8. (cartography) Any of several systems of intersecting lines that allow the curved surface of the earth to be represented on a flat surface. The set of mathematics used to calculate coordinate positions.
9. (geometry) An image of an object on a surface of fewer dimensions.
10. (linear algebra) An idempotent linear transformation which maps vectors from a vector space onto a subspace.
11. (mathematics) A transformation which extracts a fragment of a mathematical object.
12. (category theory) A morphism from a categorical product to one of its (two) components.

Synonyms

• (something which sticks out): protuberance

Derived terms

Related terms

• project

Translations

Further reading

• projection on Wikipedia.Wikipedia

French

Pronunciation

Noun

projection f (plural projections)

1. projection
2. screening (of a film)

Interlingua

Noun

projection (plural projectiones)

1. projection

English

Pronunciation

• IPA^(key): /w?lt/
• Rhymes: -?lt

Etymology 1

From Middle English welten, from Old English weltan, wieltan, from Proto-Germanic *waltijan?, from Proto-Indo-European *wel- (“to turn; wind; twist”). Cognate with German wälzen, Danish vælte, Swedish välta, Icelandic velta.

Verb

welt (third-person singular simple present welts, present participle welting, simple past and past participle welted)

1. (intransitive, obsolete) To roll; revolve

Derived terms

• welter

Etymology 2

Circa 1425, a shoemaker's term. Perhaps related to Middle English welten (“to overturn, roll over”), from Old Norse velta (“to roll”). Meaning "ridge on the skin from a wound" first recorded 1800.

Noun

welt (plural welts)

1. A ridge or lump on the skin, as caused by a blow; a wheal or weal.
2. (shoemaking) A strip of leather set into the seam between the outsole of a shoe and the upper, through which these parts are joined by stitching or stapling.
3. A strip of material or covered cord applied to a seam or garment edge to strengthen or cover it.
4. In steam boilers and sheet-iron work, a strip riveted upon the edges of plates that form a butt joint.
5. In carpentry, a strip of wood fastened over a flush seam or joint, or an angle, to strengthen it.
6. In machine-made stockings, a strip, or flap, of which the heel is formed.
7. (heraldry) A narrow border, as of an ordinary, but not extending around the ends.
8. A feature resembling a welt.

Translations

Verb

welt (third-person singular simple present welts, present participle welting, simple past and past participle welted)

1. To cause to have welts, to beat.
2. To install welt (a welt or welts) to reinforce.

Translations

Etymology 3

Verb

welt (third-person singular simple present welts, present participle welting, simple past and past participle welted)

1. (Britain, dialect, archaic, intransitive) To decay.
2. (Britain, dialect, archaic, intransitive) To become stringy.

Related terms

• wilt

Dutch

Pronunciation

• Rhymes: -?lt

Verb

welt

1. second- and third-person singular present indicative of wellen
2. (archaic) plural imperative of wellen