Subtend 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 chord subtends an arc. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • subtend — 1560s, from L. subtendere, from sub under (see SUB (Cf. sub )) + tendere to stretch (see TENET (Cf. tenet)). Related: Subtended; subtending …   Etymology dictionary

  • subtend — ► 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

  • subtend — [səb tend′] vt. [L subtendere < sub , under + tendere, to stretch: see TEND2] 1. to extend under or be opposite to in position [each side of a triangle subtends the opposite angle] 2. Bot. to enclose in an angle, as between a leaf and its stem …   English World dictionary

  • subtend — 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… …   New Collegiate Dictionary

  • subtend — /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… …   Universalium

  • subtend — 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

  • subtend — Synonyms and related words: bump heads, confront, contend, contrapose, contraposit, contrast, counteract, face, front, lie opposite, match, meet head on, oppose, polarize, pose against, put in opposition, set over against, stand opposed, stand… …   Moby Thesaurus

  • subtend — v. be opposite to (Mathematics); lie beneath, extend under …   English contemporary dictionary

  • subtend — [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

  • subtend — 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

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