„diameter“ – Versionsunterschied
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lat. ''[[ | diameter {{lat.-grie.}} ‘[[Durchmaß]], [[Durchmesser]]’ ist (s. ''[[diametral]]''). | ||
=== <span id="Etymology">Etymology</span> === | |||
<p>From <span class="etyl">[https://en.wikipedia.org/wiki/Old_French Old French]</span> <em class="Latn mention" lang="fro">[https://en.wiktionary.org/wiki/diametre#Old_French diametre]</em> (French <em class="Latn mention" lang="fr">[https://en.wiktionary.org/wiki/diam%C3%A8tre#French diamètre]</em>), from <span class="etyl">[https://en.wikipedia.org/wiki/Latin Latin]</span> <em class="Latn mention" lang="la">[https://en.wiktionary.org/w/index.php?title=diametrus&action=edit&redlink=1 diametrus]</em>, from <span class="etyl">[https://en.wikipedia.org/wiki/Ancient_Greek Ancient Greek]</span> <em class="Polyt mention" lang="grc">[https://en.wiktionary.org/wiki/%CE%B4%CE%B9%CE%AC%CE%BC%CE%B5%CF%84%CF%81%CE%BF%CF%82#Ancient_Greek διάμετρος]</em> <span class="mention-gloss-paren annotation-paren">(</span><span class="mention-tr tr Latn" lang="grc-Latn">diámetros</span><span class="mention-gloss-paren annotation-paren">)</span> (<em class="Polyt mention" lang="grc">[https://en.wiktionary.org/wiki/%CE%B3%CF%81%CE%B1%CE%BC%CE%BC%CE%AE#Ancient_Greek γραμμή]</em> <span class="mention-gloss-paren annotation-paren">(</span><span class="mention-tr tr Latn" lang="grc-Latn">grammḗ</span><span class="mention-gloss-paren annotation-paren">)</span>) (''diametros grammē'', “line measuring across”), from <em class="Polyt mention" lang="grc">[https://en.wiktionary.org/wiki/%CE%B4%CE%B9%CE%AC#Ancient_Greek διά]</em> <span class="mention-gloss-paren annotation-paren">(</span><span class="mention-tr tr Latn" lang="grc-Latn">diá</span>, <span class="mention-gloss-double-quote">“</span><span class="mention-gloss">across</span><span class="mention-gloss-double-quote">”</span><span class="mention-gloss-paren annotation-paren">)</span> + <em class="Polyt mention" lang="grc">[https://en.wiktionary.org/wiki/%CE%BC%CE%AD%CF%84%CF%81%CE%BF%CE%BD#Ancient_Greek μέτρον]</em> <span class="mention-gloss-paren annotation-paren">(</span><span class="mention-tr tr Latn" lang="grc-Latn">métron</span>, <span class="mention-gloss-double-quote">“</span><span class="mention-gloss">measure</span><span class="mention-gloss-double-quote">”</span><span class="mention-gloss-paren annotation-paren">)</span>.</p> | |||
=== <span id="Pronunciation">Pronunciation</span> === | |||
*<span class="ib-brac">(</span><span class="ib-content">[https://en.wikipedia.org/wiki/Received_Pronunciation Received Pronunciation]</span><span class="ib-brac">)</span> [https://en.wiktionary.org/wiki/Wiktionary:International_Phonetic_Alphabet IPA]<sup>([https://en.wiktionary.org/wiki/Appendix:English_pronunciation key])</sup>: <span class="IPA">/daɪˈæmɪtə(ɹ)/</span> | |||
*<span class="ib-brac">(</span><span class="ib-content">[https://en.wikipedia.org/wiki/General_American_English General American]</span><span class="ib-brac">)</span> [https://en.wiktionary.org/wiki/Appendix:English_pronunciation enPR]: <span class="AHD enPR">dī-ăm'ĭtər</span>, [https://en.wiktionary.org/wiki/Wiktionary:International_Phonetic_Alphabet IPA]<sup>([https://en.wiktionary.org/wiki/Appendix:English_pronunciation key])</sup>: <span class="IPA">/daɪˈæmɪtɚ/</span>, <span class="IPA">[-mɪɾɚ]</span> | |||
* | |||
{| class="audiotable" | |||
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| class="unicode audiolink" | Audio (US) | |||
| class="audiofile" | <span class="mw-tmh-player audio mw-file-element"><span class="mw-tmh-duration mw-tmh-label"><span class="sr-only">Duration: 2 seconds.</span><span aria-hidden="true">0:02</span></span></span> | |||
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=== <span id="Noun">Noun</span> === | |||
<p><span class="headword-line"><strong class="Latn headword" lang="en">diameter</strong> (''plural'' <strong class="Latn form-of lang-en p-form-of" lang="en">[https://en.wiktionary.org/wiki/diameters#English diameters]</strong>)</span></p> | |||
#<span class="usage-label-sense"><span class="ib-brac">(</span><span class="ib-content">[https://en.wiktionary.org/wiki/geometry geometry]</span><span class="ib-brac">)</span></span> Any [https://en.wiktionary.org/wiki/straight_line straight line] between two points on the [https://en.wiktionary.org/wiki/circumference circumference] of a [https://en.wiktionary.org/wiki/circle circle] that passes through the [https://en.wiktionary.org/wiki/centre centre]/[https://en.wiktionary.org/wiki/center center] of the circle. | |||
#<span class="usage-label-sense"><span class="ib-brac">(</span><span class="ib-content">[https://en.wiktionary.org/wiki/geometry geometry]</span><span class="ib-brac">)</span></span> The length of such a line. | |||
#<span class="usage-label-sense"><span class="ib-brac">(</span><span class="ib-content">[https://en.wiktionary.org/wiki/geometry geometry]</span><span class="ib-brac">)</span></span> The maximum [https://en.wiktionary.org/wiki/distance distance] between any two points in a [https://en.wiktionary.org/wiki/metric_space metric space] | |||
#<span class="usage-label-sense"><span class="ib-brac">(</span><span class="ib-content">[https://en.wiktionary.org/wiki/graph_theory graph theory]</span><span class="ib-brac">)</span></span> The maximum [https://en.wiktionary.org/wiki/eccentricity eccentricity] over all [https://en.wiktionary.org/wiki/vertices vertices] in a graph. | |||
Aktuelle Version vom 18. Februar 2024, 06:34 Uhr
diameter lat.-grie. ‘Durchmaß, Durchmesser’ ist (s. diametral).
Etymology
From Old French diametre (French diamètre), from Latin diametrus, from Ancient Greek διάμετρος (diámetros) (γραμμή (grammḗ)) (diametros grammē, “line measuring across”), from διά (diá, “across”) + μέτρον (métron, “measure”).
Pronunciation
- (Received Pronunciation) IPA(key): /daɪˈæmɪtə(ɹ)/
- (General American) enPR: dī-ăm'ĭtər, IPA(key): /daɪˈæmɪtɚ/, [-mɪɾɚ]
| Audio (US) | Duration: 2 seconds. |
Noun
diameter (plural diameters)
- (geometry) Any straight line between two points on the circumference of a circle that passes through the centre/center of the circle.
- (geometry) The length of such a line.
- (geometry) The maximum distance between any two points in a metric space
- (graph theory) The maximum eccentricity over all vertices in a graph.