English-Thai Dictionary

subtend

VT ขยาย ไป ข้างใต้ หรือ ด้าน ตรงข้าม  หุ้ม หรือ โอบล้อม 

 

Webster's 1828 Dictionary

SUBTEND

v.t.[L. sub and tendo, to stretch. ] To extend under; as the line of a triangle which subtends the right angle; to subtend the chord of an arch. A line from the eye to a planet, subtends an angle of 4 degrees with the horizon.

 

SUBTENDED

pp. Extended under.

 

SUBTENDING

ppr. Extending under.

 

Webster's 1913 Dictionary

SUBTEND

Sub *tend ", v. t. [imp. & p. p. Subtended; p. pr. & vb. n.Subtending. ] Etym: [L. subtendere; sub under + tendere to stretch, extend. See Tend. ]

 

Defn: To extend under, or be opposed to; as, the line of a triangle which subtends the right angle; the chord subtends an arc.

 

New American Oxford Dictionary

subtend

sub tend |səbˈtend səbˈtɛnd | ▶verb [ with obj. ] 1 (of a line, arc, or figure ) form (an angle ) at a particular point when straight lines from its extremities are joined at that point. • (of an angle or chord ) have bounding lines or points that meet or coincide with those of (a line or arc ). 2 Botany (of a bract ) extend under (a flower ) so as to support or enfold it. ORIGIN late 16th cent. ( sense 1 ): from Latin subtendere, from sub- ‘under ’ + tendere ‘stretch. ’ Sense 2 dates from the late 19th cent.

 

Oxford Dictionary

subtend

subtend |sʌbˈtɛnd | ▶verb [ with obj. ] 1 Geometry (of a line, arc, or figure ) form (an angle ) at a particular point when straight lines from its extremities are joined at that point. • (of an angle or chord ) have bounding lines or points that meet or coincide with those of (a line or arc ). 2 Botany (of a bract ) extend under (a flower ) so as to support or enfold it. ORIGIN late 16th cent. (in sense 1 ): from Latin subtendere, from sub- ‘under ’ + tendere ‘stretch ’. Sense 2 dates from the late 19th cent.

 

Sanseido Wisdom Dictionary

subtend

sub t é nd 動詞 他動詞 〘数 〙〈弦が 〉〈弧 〉に対する, 〈辺が 〉〈角 〉に対する .