to subtend an arc

  • 1Subtend — Sub*tend , v. t. [imp. & p. p. {Subtended}; p. pr. & vb. n. {Subtending}.] [L. subtendere; sub under + tendere to stretch, extend. See {Tend}.] To extend under, or be opposed to; as, the line of a triangle which subtends the right angle; the… …

    The Collaborative International Dictionary of English

  • 2subtend — ► VERB ▪ (of a line, arc, etc.) form (an angle) at a particular point when straight lines from its extremities meet. ORIGIN Latin subtendere, from tendere stretch …

    English terms dictionary

  • 3Arc length — Determining the length of an irregular arc segment is also called rectification of a curve. Historically, many methods were used for specific curves. The advent of infinitesimal calculus led to a general formula that provides closed form… …

    Wikipedia

  • 4subtend — transitive verb Etymology: Latin subtendere to stretch beneath, from sub + tendere to stretch more at thin Date: 1570 1. a. to be opposite to and extend from one side to the other of < a hypotenuse subtends a right angle > b. to fix the angular&#8230; …

    New Collegiate Dictionary

  • 5subtend — verb /sʌbˈtɛnd/ a) To extend or stretch underneath or opposite something A 90° angle subtends an arc about ¾ meter long on a circle with a radius of 1 meter. b) To enclose an arc on a circle with an …

    Wiktionary

  • 6subtend — [sʌb tɛnd] verb 1》 Geometry (of a line, arc, etc.) form (an angle) at a particular point when straight lines from its extremities meet.     ↘(of an angle or chord) have bounding lines or points that meet or coincide with those of (a line or arc) …

    English new terms dictionary

  • 7subtend — v.tr. 1 a (usu. foll. by at) (of a line, arc, figure, etc.) form (an angle) at a particular point when its extremities are joined at that point. b (of an angle or chord) have bounding lines or points that meet or coincide with those of (a line or …

    Useful english dictionary

  • 8subtend — /seuhb tend , sub /, v.t. 1. Geom. to extend under or be opposite to: a chord subtending an arc. 2. Bot. (of a leaf, bract, etc.) to occur beneath or close to. 3. to form or mark the outline or boundary of. [1560 70; < L subtendere to stretch&#8230; …

    Universalium

  • 9subtend — verb (T) technical to be opposite to a particular angle or arc, and form the limits of it in geometry …

    Longman dictionary of contemporary English

  • 10subtend — sub•tend [[t]səbˈtɛnd, sʌb [/t]] v. t. 1) math. Geom. to extend under or be opposite to: a chord subtending an arc[/ex] 2) bot (of a leaf, bract, etc.) to occur beneath or close to 3) to form or mark the outline or boundary of • Etymology:&#8230; …

    From formal English to slang