pyramidateadj.n.

Brit.

/pᵻˈramᵻdeɪt/, U.S.

/pəˈræməˌdeɪt/

Origin: Formed within English, by derivation; modelled on a Latin lexical item. Etymons: pyramid n., -ate suffix¹.

Etymology: < pyramid n. + -ate suffix¹. In later use after post-classical Latin or scientific Latin pyramidatus (1638 or earlier).

A. adj.

Resembling a pyramid, pyramidal; composed of one or more pyramids. In later use chiefly Botany and Zoology.

ΘΚΠ

the world > space > shape > angularity > specific angular shape > [adjective] > triangular > pyramidal or triangular in section

pyramidalc1450

trigonal1571

pyramidate1572

pyramidical1599

pyramidy1627

pyramical1633

triangular1644

pyramidated1745

triquetrous1752

trihedral angle1789

pyramoidal1883

the world > relative properties > number > geometry > shape or figure > [adjective] > three-dimensional > conical > pyramidal

pyramidalc1450

pyramidate1572

pyramidical1599

pyramidy1627

pyramical1633

pyramidoidal1807

pyramoidal1883

1572 tr. S. Münster Briefe Coll. & Compend. Extract Cosmogr. f. 44^v Their heads be couered with linnen, hauing a top like vnto a turret, and commeth neare vnto a pyramidate forme [L. in pyramidem turbinatur].

1584 R. Scot Discouerie Witchcraft xiii. xix. 316 Experiments be seene in diuerse sorts of [perspective] glasses; as in the hallowe, the plaine, the embossed, the columnarie, the pyramidate or piked, the turbinall, the bounched.

1822 J. Parkinson Outl. Oryctol. 206 [Cerithium] tricarinatus: pyramidate; three denticulated keels, the lowest by much the largest.

1891 Bot. Gaz. 16 195 Panicle terminal, exceeding leaves, pyramidate.

1945 Amer. Midland Naturalist 34 233 Semicells pyramidate, the apical margin truncate and deeply incised.

1972 Amer. Jrnl. Bot. 59 418/1 The seeds are cuneate, clavate, or pyramidate to obconic.

2002 Biochimica et Biophysica Acta 1563 4/2 The polyhedron geometry can be described as a highly distorted pyramidate triangular prism.

†B. n.

A pyramidal figure; a figure composed of one of more pyramids. Obsolete.

ΘΚΠ

the world > relative properties > number > geometry > shape or figure > [noun] > three-dimensional > cone > pyramid

pyramid1570

tetrahedron1570

pyramidate1611

parabolic pyramidoid1704

pyramidoid1704

pyramoid1819

1611 A. Hopton Speculum Topographicum ii. xii.198 A pyramidate is a plaine solid, composed of pyramides.

1693 J. Newton Eng. Acad. (ed. 2) ii. v. 86 A Pyramidate, is a solid Figure, composed of Pyramides, and is either a Prisme or a mixt Polyhedron.

1712 H. Curzon Universal Libr. II. 153 A Plane Solid, is that which is comprehended of Plane Superficies, and is either a Pyramid, or a Pyramidate.

Derivatives

pyˈramidated adj. rare composed of pyramids; formed into a pyramid; pyramidal.

ΘΚΠ

the world > space > shape > angularity > specific angular shape > [adjective] > triangular > pyramidal or triangular in section

pyramidalc1450

trigonal1571

pyramidate1572

pyramidical1599

pyramidy1627

pyramical1633

triangular1644

pyramidated1745

triquetrous1752

trihedral angle1789

pyramoidal1883

1745 J. Parsons Microsc. Theatre Seeds 158 These two latter [peppers] are pyramidated.

1816 R. Jameson Treat. External Characters Minerals (ed. 2) 191 A crystal is named Pyramidated.., when the primitive form is a prism, and has a pyramid on each extremity.

1903 Nature 1 Oct. 530/2 Some of the pyramidated summits among the South American volcanoes.

1978 Southern Econ. Jrnl. 45 305 The second point that decision structure should be pyramidated seems to have remained under-explained.

This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).

单词	pyramidate
释义	pyramidateadj.n. Brit. /pᵻˈramᵻdeɪt/, U.S. /pəˈræməˌdeɪt/ Origin: Formed within English, by derivation; modelled on a Latin lexical item. Etymons: pyramid n., -ate suffix¹. Etymology: < pyramid n. + -ate suffix¹. In later use after post-classical Latin or scientific Latin pyramidatus (1638 or earlier). A. adj. Resembling a pyramid, pyramidal; composed of one or more pyramids. In later use chiefly Botany and Zoology. ΘΚΠ the world > space > shape > angularity > specific angular shape > [adjective] > triangular > pyramidal or triangular in section pyramidalc1450 trigonal1571 pyramidate1572 pyramidical1599 pyramidy1627 pyramical1633 triangular1644 pyramidated1745 triquetrous1752 trihedral angle1789 pyramoidal1883 the world > relative properties > number > geometry > shape or figure > [adjective] > three-dimensional > conical > pyramidal pyramidalc1450 pyramidate1572 pyramidical1599 pyramidy1627 pyramical1633 pyramidoidal1807 pyramoidal1883 1572 tr. S. Münster Briefe Coll. & Compend. Extract Cosmogr. f. 44^v Their heads be couered with linnen, hauing a top like vnto a turret, and commeth neare vnto a pyramidate forme [L. in pyramidem turbinatur]. 1584 R. Scot Discouerie Witchcraft xiii. xix. 316 Experiments be seene in diuerse sorts of [perspective] glasses; as in the hallowe, the plaine, the embossed, the columnarie, the pyramidate or piked, the turbinall, the bounched. 1822 J. Parkinson Outl. Oryctol. 206 [Cerithium] tricarinatus: pyramidate; three denticulated keels, the lowest by much the largest. 1891 Bot. Gaz. 16 195 Panicle terminal, exceeding leaves, pyramidate. 1945 Amer. Midland Naturalist 34 233 Semicells pyramidate, the apical margin truncate and deeply incised. 1972 Amer. Jrnl. Bot. 59 418/1 The seeds are cuneate, clavate, or pyramidate to obconic. 2002 Biochimica et Biophysica Acta 1563 4/2 The polyhedron geometry can be described as a highly distorted pyramidate triangular prism. †B. n. A pyramidal figure; a figure composed of one of more pyramids. Obsolete. ΘΚΠ the world > relative properties > number > geometry > shape or figure > [noun] > three-dimensional > cone > pyramid pyramid1570 tetrahedron1570 pyramidate1611 parabolic pyramidoid1704 pyramidoid1704 pyramoid1819 1611 A. Hopton Speculum Topographicum ii. xii.198 A pyramidate is a plaine solid, composed of pyramides. 1693 J. Newton Eng. Acad. (ed. 2) ii. v. 86 A Pyramidate, is a solid Figure, composed of Pyramides, and is either a Prisme or a mixt Polyhedron. 1712 H. Curzon Universal Libr. II. 153 A Plane Solid, is that which is comprehended of Plane Superficies, and is either a Pyramid, or a Pyramidate. Derivatives pyˈramidated adj. rare composed of pyramids; formed into a pyramid; pyramidal. ΘΚΠ the world > space > shape > angularity > specific angular shape > [adjective] > triangular > pyramidal or triangular in section pyramidalc1450 trigonal1571 pyramidate1572 pyramidical1599 pyramidy1627 pyramical1633 triangular1644 pyramidated1745 triquetrous1752 trihedral angle1789 pyramoidal1883 1745 J. Parsons Microsc. Theatre Seeds 158 These two latter [peppers] are pyramidated. 1816 R. Jameson Treat. External Characters Minerals (ed. 2) 191 A crystal is named Pyramidated.., when the primitive form is a prism, and has a pyramid on each extremity. 1903 Nature 1 Oct. 530/2 Some of the pyramidated summits among the South American volcanoes. 1978 Southern Econ. Jrnl. 45 305 The second point that decision structure should be pyramidated seems to have remained under-explained. This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022). < adj.n.1572
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