English-Thai Dictionary

spheroid

N รูป กลม รี  rub-wong-re

 

spheroidal

A เกี่ยวกับ รูปทรง กลม 

 

Webster's 1828 Dictionary

SPHEROID

n.[sphere and form. ] A body or figure approaching to a sphere, but not perfectly spherical. A spheroid is oblate or prolate. The earth is found to be a oblate spheroid, that is, flatted at the poles, whereas some astronomers formerly supposed it to be prolate or oblong.

 

SPHEROIDAL, SPHEROIDIC, SPHEROIDICAL

a. 1. Having the form of a sheriod.
2. In crystalography, bounded by several convex faces.

 

SPHEROIDITY

n.The state or quality of being spheroidal.

 

Webster's 1913 Dictionary

SPHEROID

Sphe "roid, n. Etym: [L. spheroides ball-like, spherical, Gr. sphéroïde.]

 

Defn: A body or figure approaching to a sphere, but not perfectly spherical; esp. , a solid generated by the revolution of an ellipse about one of its axes. Oblate spheroid, Prolate spheroid. See Oblate, Prolate, and Ellipsoid.

 

SPHEROIDAL

Sphe *roid "al, a. Etym: [Cf. F. sphéroïdal.]

 

Defn: Having the form of a spheroid. -- Sphe *roid "al *ly, adv. Spheroidal state (Physics. ), the state of a liquid, as water, when, on being thrown on a surface of highly heated metal, it rolls about in spheroidal drops or masses, at a temperature several degrees below ebullition, and without actual contact with the heated surface, -- a phenomenon due to the repulsive force of heat, the intervention of a cushion of nonconducting vapor, and the cooling effect of evaporation.

 

SPHEROIDIC; SPHEROIDICAL

SPHEROIDIC; SPHEROIDICAL Sphe *roid "ic, Sphe *roid "ic *al, a.

 

Defn: See Spheroidal. Cheyne.

 

SPHEROIDICITY; SPHEROIDITY

SPHEROIDICITY; SPHEROIDITY Sphe `roi *dic "i *ty, Sphe *roid "i *ty, n.

 

Defn: The quality or state of being spheroidal.

 

New American Oxford Dictionary

spheroid

sphe roid |ˈsfi (ə )rˌoid ˈsfɪˌ (ə )rɔɪd | ▶noun a spherelike but not perfectly spherical body. • a solid generated by a half-revolution of an ellipse about its major axis (prolate spheroid ) or minor axis (oblate spheroid ). DERIVATIVES sphe roi dal |sfiˈroidl |adjective, sphe roi dic i ty |ˌsfi (ə )roiˈdisitē |noun

 

Oxford Dictionary

spheroid

spheroid |ˈsfɪərɔɪd | ▶noun a sphere-like but not perfectly spherical body. • a solid generated by a half-revolution of an ellipse about its major axis (prolate spheroid ) or minor axis (oblate spheroid ). DERIVATIVES spheroidal |sfɪəˈrɔɪd (ə )l |adjective, spheroidicity |-ˈdɪsɪti |noun

 

Sanseido Wisdom Dictionary

spheroid

spher oid /sfí ə rɔɪd /名詞 C 長円体, 扁平球体 ; 回転楕 （だ ）円面 .