meridian

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 merdinus, 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

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meridian

Noun

1. 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°

2. (in acupuncture etc.) any of various channels through which vital energy is believed to circulate round the body [Latin meridies midday]

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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.

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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: Geography

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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: Astronomy

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the highest point a planet or other orbiting heavenly body reaches in its orbit. — meridian, meridional, adj.

See also: Planets

Thesaurus

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" acme, summit, tiptop, superlative, elevation, height, pinnacle, peak, top degree, stage, level, point - a specific identifiable position in a continuum or series or especially in a process; "a remarkable degree of frankness"; "at what stage are the social sciences?"
	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" line of 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 prime mature - having reached full natural growth or development; "a mature cell"

Translations

meridian [məˈrɪdɪən] n → meridiano

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meridian [məˈrɪdɪən] n → méridien m

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meridian [məˈrɪdɪən] n → Meridian m

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meridian [məˈrɪdɪən] n → meridiano