English-Thai Dictionary

paraboloid

N รูป หรือ ผิว หน้าที่ เกิด จาก การ หมุนรอบ แกน 

 

Webster's 1828 Dictionary

PARABOLOID

n.[Gr. form. ] In geometry, a paraboliform curve whose ordinates are supposed to be in the subtriplicate, subquadruplicate, etc. , ratio of their respective abscissae. Another species is when the parameter multiplied into the square of the abscissae, is equal to the cube of the ordinate. The curve is then called a semi-cubical paraboloid. A parabolic conoid. [See Conoid. ]

 

Webster's 1913 Dictionary

PARABOLOID

Pa *rab "o *loid, n. Etym: [Parabola + -oid: cf. F. paraboloïde.](Geom.)

 

Defn: The solid generated by the rotation of a parabola about its axis; any surface of the second order whose sections by planes parallel to a given line are parabolas.

 

Note: The term paraboloid has sometimes been applied also to the parabolas of the higher orders. Hutton.

 

PARABOLOIDAL

PARABOLOIDAL Par `a *bo *loid "al, a.

 

Defn: Of, pertaining to, or resembling, a paraboloid.

 

New American Oxford Dictionary

paraboloid

pa rab o loid |pəˈrabəˌloid pəˈræbəlɔɪd | ▶noun 1 (also paraboloid of revolution ) a solid generated by the rotation of a parabola around its axis of symmetry. 2 a solid having two or more nonparallel parabolic cross sections. DERIVATIVES pa rab o loi dal |pəˌrabəˈloidl |adjective

 

Oxford Dictionary

paraboloid

paraboloid |pəˈrab (ə )lɔɪd | ▶noun 1 (also paraboloid of revolution ) a solid generated by the rotation of a parabola about its axis of symmetry. 2 a solid having two or more non-parallel parabolic cross sections. DERIVATIVES paraboloidal adjective

 

Duden Dictionary

Paraboloid

Pa ra bo lo id Substantiv, Neutrum Mathematik , das |Parabolo i d |zu Parabel und griechisch -oeidḗs = ähnlich gekrümmte Fläche, deren Schnitte parallel zur Mittelachse Parabeln ergeben

 

Spanish Dictionary

paraboloide

paraboloide nombre masculino mat Superficie en que todas las secciones paralelas a una dirección dada son parábolas y las demás secciones planas son elipses o hipérbolas .paraboloide de revolución mat Paraboloide que resulta del giro de una parábola alrededor de su eje .