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  2. Roundness - Wikipedia

    en.wikipedia.org/wiki/Roundness

    Having a constant diameter, measured at varying angles around the shape, is often considered to be a simple measurement of roundness.This is misleading. [3]Although constant diameter is a necessary condition for roundness, it is not a sufficient condition for roundness: shapes exist that have constant diameter but are far from round.

  3. Roundedness - Wikipedia

    en.wikipedia.org/wiki/Roundedness

    They involve a contrastive pair of close-mid vowels, with the unrounded vowel being either SQUARE / ɛər / or a monophthongal FACE / eɪ / and the rounded counterpart being NURSE / ɜːr /. Contrasts based on roundedness are rarely categorical in English and they may be enhanced by additional differences in height, backness or diphthongization.

  4. Vasiliy Lomachenko vs. Guillermo Rigondeaux - Wikipedia

    en.wikipedia.org/wiki/Vasiliy_Lomachenko_vs...

    According to CompuBox statistics, Lomachenko landed 55 of 339 punches thrown (16%) and Rigondeax landed 15 of his 178 thrown (8%), landing no more than 3 punches per round. For the fight, Lomachenko was guaranteed a purse of $1.2 million whereas Rigondeaux earned a $400,000 purse. [ 17 ]

  5. 1... R-32 opening - Wikipedia

    en.wikipedia.org/wiki/1..._R-32_opening

    R-32 (2手目☖3二飛 niteme san-ni hi) is a Third File Rook opening in which White's rook is positioned on the 32 square on White's first move. When played by Black, the opening is known as 1. R-78 (初手7八飛 shote nana-hachi hi ).

  6. Waveguide flange - Wikipedia

    en.wikipedia.org/wiki/Waveguide_flange

    For standard rectangular waveguide the second letter is A to E, where A and C are round flanges, B is square and D and E are rectangular. So for example UBR220 is a square plain cover flange for R220 waveguide (that is, for WG20, WR42), PDR84 is a rectangular gasket flange for R84 waveguide (WG15, WR112) and CAR70 is a round choke flange for ...

  7. Bar stock - Wikipedia

    en.wikipedia.org/wiki/Bar_stock

    The same is true of metal bar stock. The most common shapes are round bar (also called rod), rectangular bar (including square bar, the special case of equal sides), and hexagonal bar (usually called hex bar for short). Tube and pipe are similar, but have hollow centers and are traditionally not called "bar" in industrial usage. (However, a ...

  8. Nonexistent objects - Wikipedia

    en.wikipedia.org/wiki/Nonexistent_objects

    An example of such an object is a "round square", which cannot exist definitionally and yet can be the subject of logical inferences, such as that it is both "round" and "square". Meinong, an Austrian philosopher active at the turn of the 20th century , believed that since non-existent things could apparently be referred to , they must have ...

  9. Thread angle - Wikipedia

    en.wikipedia.org/wiki/Thread_angle

    Square threads [1] Sq 0° (parallel) ? Panzergewinde, "steel conduit thread" Pg 80° DIN 40430 British Association (BA) thread: BA 47° 30' = 47.5° BS 93:2008 Löwenherz thread [8] 53° 8' ≈ 53.1° Bodmer thread [9] 50°