Obtuse



[uh b-toos, -tyoos] /əbˈtus, -ˈtyus/

adjective
1.
not quick or alert in perception, feeling, or intellect; not sensitive or observant; dull.
2.
not sharp, acute, or pointed; blunt in form.
3.
(of a leaf, petal, etc.) rounded at the extremity.
4.
indistinctly felt or perceived, as pain or sound.
/əbˈtjuːs/
adjective
1.
mentally slow or emotionally insensitive
2.
(maths)

3.
not sharp or pointed
4.
indistinctly felt, heard, etc; dull: obtuse pain
5.
(of a leaf or similar flat part) having a rounded or blunt tip
adj.

early 15c., “dull, blunted,” from Middle French obtus (fem. obtuse), from Latin obtusus “blunted, dull,” also used figuratively, past participle of obtundere “to beat against, make dull,” from ob “against” (see ob-) + tundere “to beat,” from PIE *(s)tud-e- “to beat, strike, push, thrust,” from root *(s)teu- “to push, stick, knock, beat” (cf. Latin tudes “hammer,” Sanskrit tudati “he thrusts”). Sense of “stupid” is first found c.1500. Related: Obtusely; obtuseness.

obtuse ob·tuse (ŏb-tōōs’, -tyōōs’, əb-)
adj.

ob·tuse’ness n.

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  • Obtuse-angle

    noun 1. an angle greater than 90° but less than 180°. obtuse angle (ŏb-ts’) An angle whose measure is between 90° and 180°. Compare acute angle. An angle that measures more than 90 degrees but less than 180 degrees. (Compare acute angle and right angle.)

  • Obtuse-bisectrix

    noun, Crystallography. 1. See under (def 1). [bahy-sek-triks] /baɪˈsɛk trɪks/ noun, plural bisectrices [bahy-sek-trahy-seez] /ˌbaɪ sɛkˈtraɪ siz/ (Show IPA) 1. Crystallography. an imaginary line either the acute angle (acute bisectrix) or the obtuse angle (obtuse bisectrix) of the optic axes of a biaxial crystal. 2. Geometry. a bisector. /baɪˈsɛktrɪks/ noun (pl) bisectrices (baɪˈsɛktrɪˌsiːz) 1. another […]



  • Obtusely

    [uh b-toos, -tyoos] /əbˈtus, -ˈtyus/ adjective 1. not quick or alert in perception, feeling, or intellect; not sensitive or observant; dull. 2. not sharp, acute, or pointed; blunt in form. 3. (of a leaf, petal, etc.) rounded at the extremity. 4. indistinctly felt or perceived, as pain or sound. /əbˈtjuːs/ adjective 1. mentally slow or […]

  • Obtuseness

    [uh b-toos, -tyoos] /əbˈtus, -ˈtyus/ adjective 1. not quick or alert in perception, feeling, or intellect; not sensitive or observant; dull. 2. not sharp, acute, or pointed; blunt in form. 3. (of a leaf, petal, etc.) rounded at the extremity. 4. indistinctly felt or perceived, as pain or sound. /əbˈtjuːs/ adjective 1. mentally slow or […]



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