pyramid(redirected from pyramid of the medulla)
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a. A solid figure with a polygonal base and triangular faces that meet at a common point.
b. Something shaped like this polyhedron.
a. A massive monument of ancient Egypt having a rectangular base and four triangular faces culminating in a single apex, built over or around a crypt or tomb.
b. Any of various similar constructions, especially a four-sided Mesoamerican temple having stepped sides and a flat top surmounted by chambers.
3. The transactions involved in pyramiding stock.
4. Anatomy A structure or part suggestive of a pyramid in shape.
v. pyr·a·mid·ed, pyr·a·mid·ing, pyr·a·mids
1. To place or build in the shape of a pyramid.
2. To build (an argument or thesis, for example) progressively from a basic general premise.
3. To speculate in (stock) by making a series of buying and selling transactions in which paper profits are used as margin for buying more stock.
1. To assume the shape of a pyramid.
2. To increase rapidly and on a widening base.
3. To pyramid stocks.
[Latin pȳramis, pȳramid-, from Greek pūramis, of unknown origin.]
py·ram′i·dal (pĭ-răm′ĭ-dl), pyr′a·mid′ic (-mĭd′ĭk), pyr′a·mid′i·cal (-ĭ-kəl) adj.
1. (Architecture) a huge masonry construction that has a square base and, as in the case of the ancient Egyptian royal tombs, four sloping triangular sides
2. an object, formation, or structure resembling such a construction
3. (Mathematics) maths a solid having a polygonal base and triangular sides that meet in a common vertex
4. (Chemistry) crystallog a crystal form in which three planes intersect all three axes of the crystal
5. (Anatomy) anatomy any pointed or cone-shaped bodily structure or part
6. (Banking & Finance) finance a group of enterprises containing a series of holding companies structured so that the top holding company controls the entire group with a relatively small proportion of the total capital invested
7. (Stock Exchange) chiefly US the series of transactions involved in pyramiding securities
8. (Billiards & Snooker) (plural) a game similar to billiards with fifteen coloured balls
vbAlso called (rare): pyramis
9. to build up or be arranged in the form of a pyramid
10. (Stock Exchange) chiefly US to speculate in (securities or property) by increasing purchases on additional margin or collateral derived from paper profits associated with high prices of securities and property in a boom
11. (Banking & Finance) finance to form (companies) into a pyramid
[C16 (earlier pyramis): from Latin pyramis, from Greek puramis, probably from Egyptian]
pyramidal, ˌpyraˈmidical, ˌpyraˈmidic adj
pyˈramidally, ˌpyraˈmidically adv
pyr•a•mid(ˈpɪr ə mɪd)
1. a massive quadrilateral masonry structure having smooth, steeply sloping sides meeting at an apex, as a tomb built in ancient Egypt, or stepped and sharply sloping sides, as a temple platform built in pre-Columbian Central America.
2. any object or arrangement of objects shaped like a pyramid.
3. a system or structure resembling a pyramid, as in hierarchical form.
4. a solid having a polygonal base, and triangular sides that meet in a point.
5. any crystalline form the planes of which intersect all three of the axes.
6. any of various anatomical parts or structures of pyramidal form.
7. the series of transactions involved in pyramiding.v.i.
8. to take, or become disposed in, the form of a pyramid.
9. to speculate in securities trading by using paper profits as margin for additional buying and selling.
10. to increase gradually, as with the completion of each phase.v.t.
11. to arrange in the form of a pyramid.
12. to raise or increase (costs, wages, etc.) by adding amounts gradually.
13. to cause to increase at a steady and progressive rate.
14. to employ in speculative pyramiding.
[1590–1600; < Latin pȳramid-, s. of pȳramis < Greek pȳramís; replacing earlier, Middle English pyramis < Latin, as above]
py•ram′i•dal (-ˈræm ɪ dl) pyr`a•mid′ic, pyr`a•mid′i•cal, adj.
Pyramidany material thing or group of objects in the shape of a pyramid.
Examples: pyramid of ambition, 1826; of white blossom, 1886; of bones, 1756; of books; of fame, 1670; of flame, 1651; of inference, 1882; of lawbooks, 1727; of men, 1831; of power, 1628.
Past participle: pyramided
A massive ancient Egyptian building erected over or containing a tomb, with four triangular sides tapering to a point at the top.
Switch to new thesaurus
|Noun||1.||pyramid - a polyhedron having a polygonal base and triangular sides with a common vertex|
polyhedron - a solid figure bounded by plane polygons or faces
|2.||pyramid - (stock market) a series of transactions in which the speculator increases his holdings by using the rising market value of those holdings as margin for further purchases|
securities market, stock exchange, stock market - an exchange where security trading is conducted by professional stockbrokers
|3.||Pyramid - a massive monument with a square base and four triangular sides; begun by Cheops around 2700 BC as royal tombs in ancient Egypt|
|Verb||1.||pyramid - enlarge one's holdings on an exchange on a continued rise by using paper profits as margin to buy additional amounts|
investing, investment - the act of investing; laying out money or capital in an enterprise with the expectation of profit
|2.||pyramid - use or deal in (as of stock or commercial transaction) in a pyramid deal|
crime, criminal offence, criminal offense, law-breaking, offense, offence - (criminal law) an act punishable by law; usually considered an evil act; "a long record of crimes"
|3.||pyramid - arrange or build up as if on the base of a pyramid|
|4.||pyramid - increase rapidly and progressively step by step on a broad base|
increase - become bigger or greater in amount; "The amount of work increased"
شَكْل هَرَميهرمهَرَمهَرَم من أهرامات مِصْر الفرْعونيه
kim tự tháp
n → Pyramide f
pyramid[ˈpɪrəmɪd] n → piramide f
1. a solid shape usually with a square or triangular base, and sloping triangular sides meeting in a point. piramied شَكْل هَرَمي пирамида pirâmide pyramida die Pyramide pyramide πυραμίδαpirámide püramiid هرم pyramidi pyramideפירמידה पिरामिड gúla piramida pÿramídi piramide 角錐形のもの 피라미드 piramidė piramīda piramid piramidepyramidepiramida هرم، pirâmide piramidă пирамида pyramída piramida piramida pyramid สิ่งของที่มีรูปทรงเหมือนพีระมิด piramit 棱錐體 піраміда مخروطي hình chóp 棱锥体
2. an ancient tomb built in this shape in Egypt. piramied هَرَم من أهرامات مِصْر الفرْعونيه пирамида pirâmide pyramida die Pyramide pyramide πυραμίδα της Αιγύπτου pirámide püramiid هر یک از اهرام مصر pyramidi pyramideפירמידה पिरामिड piramis piramida pÿramídi piramide ピラミッド 고대 이집트 무덤 piramidė piramīda piramid piramidepyramidepiramida د مصريانو هرم pirâmide piramidă пирамида pyramída piramida piramida pyramid พีระมิด piramit (埃及的)金字塔 піраміда اہرام مصر kim tự tháp （埃及的）金字塔
pyramid→ هَرَم jehlan pyramide Pyramide πυραμίδα pirámide pyramidi pyramide piramida piramide ピラミッド 피라미드 piramide pyramide piramida pirâmide пирамида pyramid ปิรามิด piramit kim tự tháp 金字塔
n. pirámide, estructura semejante a un cono, tal como la médula oblongata.