Me·rid·i·an (m -r d  -n) A city of eastern Mississippi near the Alabama border east of Jackson. Population: 38,200. |
| me·rid·i·an (m-rd-n) n. 1. a. An imaginary great circle on the earth's surface passing through the North and South geographic poles. All points on the same meridian have the same longitude. b. Either half of such a great circle from pole to pole. 2. Astronomy A great circle passing through the two poles of the celestial sphere and the zenith of a given observer. 3. Mathematics a. A curve on a surface of revolution, formed by the intersection of the surface with a plane containing the axis of revolution. b. A plane section of a surface of revolution containing the axis of revolution. 4. Any of the longitudinal lines or pathways on the body along which the acupuncture points are distributed. 5. Archaic a. The highest point in the sky reached by the sun or another celestial body; a zenith. b. Noon. 6. The highest point or stage of development; peak: "Men come to their meridian at various periods of their lives" (John Henry Newman). 7. Midwestern U.S. See median strip. See Regional Note at neutral ground. adj. 1. Of or relating to a meridian; meridional. 2. Of or at midday: the meridian hour. 3. Of, relating to, or constituting the highest point, as of development or power: the empire in its meridian period. [Middle English, from Old French, midday, from Latin mer  di nus, of midday, from merdis, midday, from merdi, at midday, alteration of earlier *meddi, from *mediei di : *mediei, dative (locative) of medius, middle; see medhyo- in Indo-European roots + di, dative of dis, day; see dyeu- in Indo-European roots.] |   |
meridian [məˈrɪdɪən]
n
1. (Earth Sciences / Physical Geography)
a. one of the imaginary lines joining the north and south poles at right angles to the equator, designated by degrees of longitude from 0° at Greenwich to 180°
b. the great circle running through both poles See prime meridian
2. (Astronomy) Astronomy
a. the great circle on the celestial sphere passing through the north and south celestial poles and the zenith and nadir of the observer
b. (as modifier) a meridian instrument
3. (Mathematics) Also called meridian section Maths a section of a surface of revolution, such as a paraboloid, that contains the axis of revolution
4. the peak; zenith the meridian of his achievements
5. (Medicine / Complementary Medicine) (in acupuncture, etc.) any of the channels through which vital energy is believed to circulate round the body
6. (Historical Terms) Obsolete noon
adj
1. (Earth Sciences / Physical Geography) along or relating to a meridian
2. of or happening at noon
3. relating to the peak of something
[from Latin merīdiānus of midday, from merīdiēs midday, from medius mid1 + diēs day]
| meridian (m-rd-n) 1. An imaginary line forming a great circle that passes through the Earth's North and South geographic poles. 2. Either half of such a circle from pole to pole. All the places on the same meridian have the same longitude. See illustration at longitude. 3. See celestial meridian. |
meridian
1. a great circle that passes through the earth’s poles and any other given point on the earth’s surface.
2. half of such a circle.
3. any line of longitude running north and south on a map. See also astronomy. — meridian, meridional, adj.
See also: Geography2. half of such a circle.
3. any line of longitude running north and south on a map. See also astronomy. — meridian, meridional, adj.
an imaginary great circle in the sphere of the heavens, passing through the poles and the zenith and nadir of any point and intersecting the equator at right angles. See also 178. GEOGRAPHY. — meridian, meridional, adj.
See also: Astronomythe highest point a planet or other orbiting heavenly body reaches in its orbit. — meridian, meridional, adj.
See also: Planets
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  meridian - the highest level or degree attainable; the highest stage of development; "his landscapes were deemed the acme of beauty"; "the artist's gifts are at their acme"; "at the height of her career"; "the peak of perfection"; "summer was at its peak"; "...catapulted Einstein to the pinnacle of fame"; "the summit of his ambition"; "so many highest superlatives achieved by man"; "at the top of his profession" |
| 2. | Meridian - a town in eastern Mississippi Magnolia State, Mississippi, MS - a state in the Deep South on the gulf of Mexico; one of the Confederate States during the American Civil War | |
| 3. |  meridian - an imaginary great circle on the surface of the earth passing through the north and south poles at right angles to the equator; "all points on the same meridian have the same longitude"great circle - a circular line on the surface of a sphere formed by intersecting it with a plane passing through the center observer's meridian - a meridian that passes through the observer's zenith prime meridian - meridian at zero degree longitude from which east and west are reckoned (usually the Greenwich longitude in England) magnetic meridian - an imaginary line passing through both magnetic poles of the Earth | |
| Adj. | 1. | meridian - of or happening at noon; "meridian hour" |
| 2. | meridian - being at the best stage of development; "our manhood's prime vigor"- Robert Browning mature - having reached full natural growth or development; "a mature cell" |
Translations
n meridian [məˈridiən]
an imaginary line on the earth's surface passing through the poles and any given place; any line of longitude. meridiaan خَط الزَّوال، خَط طول меридиан poledník meridian; længdegrad der Meridian ο μεσημβρινός meridiano meridiaan خط نصف النهار pituuspiiri méridien קַו הַמִצהָר दोपहर meridijan délkör, meridián garis bujur hádegisbaugur meridiano 子午線 자오선, 경선(經線) meridianas meridiāns meridian meridiaan lengdegrad południk meridiano meridian меридиан poludník poldnevnik meridijan meridian เส้นวงกลมที่ลากผ่านขั้วโลกเหนือและใต้ตามยาว meridyen 子午線 меридіан قائم الظہیرہ، قطبین سماوی اور زمین پر کسی مقام کی سمت الراس پر سے گزرنے والا مفروضہ دائرہ kinh tuyến 子午线
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