SUBTEND

subtend, delimit

(verb) be opposite to; of angles and sides, in geometry

Source: WordNet® 3.1


Etymology

Verb

subtend (third-person singular simple present subtends, present participle subtending, simple past and past participle subtended)

(transitive, mathematics) To use an angle to delimit (mark off, enclose) part of a straight or curved line, for example an arc or the opposite side of a triangle.

(transitive, also mathematics) To extend or stretch opposite something; to be part of a straight or curved line that is opposite to and delimits an angle.

(transitive, mathematics) To form the central angle of a circle underneath an arc

Anagrams

• stub end

Source: Wiktionary


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

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

Source: Webster’s Unabridged Dictionary 1913 Edition



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