different between aperture vs curve

English

Etymology

Borrowed from Latin apert?ra (“opening”), from apertus, past participle of aper?re (“to open, uncover”), opposed to oper?re (“to close, cover”). See aperient. Doublet of overture.

Pronunciation

• (Received Pronunciation) IPA^(key): /?æp.?.t??(?)/, /?æp.?.tj??(?)/
• (US) IPA^(key): /?æp.?.t??/
• Hyphenation: ap?er?ture

Noun

aperture (plural apertures)

1. A small or narrow opening, gap, slit, or hole.
   • 1860, Samuel Hannaford, Sea and River-side Rambles in Victoria Chapter 7

     In the centre of the fleshy membrane is an aperture leading into a deep cavity, at the bottom of which is placed a prominent piston that may be retracted by muscular fibres provided for the purpose.
2. (optics) Something which restricts the diameter of the light path through one plane in an optical system.
3. (astronomy, photography) The diameter of the aperture (in the sense above) which restricts the width of the light path through the whole system. For a telescope, this is the diameter of the objective lens.

4. (spaceflight, communication) The (typically) large-diameter antenna used for receiving and transmitting radio frequency energy containing the data used in communication satellites, especially in the geostationary belt. For a comsat, this is typically a large reflective dish antenna; sometimes called an array.
5. (mathematics, rare, of a right circular cone) The maximum angle between the two generatrices.

   If the generatrix makes an angle ? to the axis, then the aperture is 2?.

Usage notes

The aperture of microscopes is often expressed in degrees, called also the angular aperture, which signifies the angular breadth of the pencil of light which the instrument transmits from the object or point viewed; as, a microscope of 100° aperture.

Derived terms

Related terms

Translations

Further reading

• aperture in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• aperture in The Century Dictionary, New York, N.Y.: The Century Co., 1911.

French

Etymology

Borrowed from Latin apert?ra (“opening”). Doublet of ouverture.

Pronunciation

• IPA^(key): /a.p??.ty?/

Noun

aperture f (uncountable)

1. (phonetics, phonology) opening, openness, aperture

Related terms

• apéritif
• ouvrir

Further reading

• “aperture” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

Italian

Pronunciation

• Rhymes: -ure

Noun

aperture f

1. plural of apertura

Anagrams

• reputare
• reputerà

Latin

Participle

apert?re

1. vocative masculine singular of apert?rus

Spanish

Verb

aperture

1. First-person singular (yo) present subjunctive form of aperturar.
2. Formal second-person singular (usted) present subjunctive form of aperturar.
3. Third-person singular (él, ella, also used with usted^?) present subjunctive form of aperturar.
4. Formal second-person singular (usted) imperative form of aperturar.

English

Etymology

From Latin curvus (“bent, curved”). Doublet of curb.

Pronunciation

• (Received Pronunciation) IPA^(key): /k??v/, [?k???v]
• (General American) IPA^(key): /k?v/, [?k??v]
• Rhymes: -??(?)v

Adjective

curve

1. (obsolete) Bent without angles; crooked; curved.

Translations

Noun

curve (plural curves)

1. A gentle bend, such as in a road.

2. A simple figure containing no straight portions and no angles; a curved line.

3. A grading system based on the scale of performance of a group used to normalize a right-skewed grade distribution (with more lower scores) into a bell curve, so that more can receive higher grades, regardless of their actual knowledge of the subject.

4. (analytic geometry) A continuous map from a one-dimensional space to a multidimensional space.
5. (geometry) A one-dimensional figure of non-zero length; the graph of a continuous map from a one-dimensional space.
6. (algebraic geometry) An algebraic curve; a polynomial relation of the planar coordinates.
7. (topology) A one-dimensional continuum.
8. (informal, usually in the plural) The attractive shape of a woman's body.

Derived terms

Translations

Verb

curve (third-person singular simple present curves, present participle curving, simple past and past participle curved)

1. (transitive) To bend; to crook.

2. (transitive) To cause to swerve from a straight course.

3. (intransitive) To bend or turn gradually from a given direction.

4. (transitive) To grade on a curve (bell curve of a normal distribution).

5. (transitive) (slang) To reject, to turn down romantic advances.

Translations

Anagrams

• cruve

Dutch

Etymology

Borrowed from Latin curvus (“bent, curved”).

Pronunciation

• IPA^(key): /?k?r.v?/
• Hyphenation: cur?ve

Noun

curve f (plural curven or curves, diminutive curvetje n)

1. curve: curved line

   Synonym: kromme

Derived terms

Italian

Adjective

curve

1. feminine plural of curvo

Noun

curve f

1. plural of curva

Latin

Pronunciation

• (Classical) IPA^(key): /?kur.u?e/, [?k?ru??]
• (Ecclesiastical) IPA^(key): /?kur.ve/, [?kurv?]

Adjective

curve

1. vocative masculine singular of curvus

Portuguese

Verb

curve

1. first-person singular (eu) present subjunctive of curvar
2. third-person singular (ele and ela, also used with você and others) present subjunctive of curvar
3. third-person singular (você) affirmative imperative of curvar
4. third-person singular (você) negative imperative of curvar

Romanian

Pronunciation

• IPA^(key): [?kurve]

Noun

curve f

1. plural of curv?

Spanish

Pronunciation

• IPA^(key): /?ku?be/, [?ku?.??e]

Verb

curve

1. First-person singular (yo) present subjunctive form of curvar.
2. Formal second-person singular (usted) present subjunctive form of curvar.
3. Third-person singular (él, ella, also used with usted^?) present subjunctive form of curvar.