semiangle

Hello, you have come here looking for the meaning of the word semiangle. In DICTIOUS you will not only get to know all the dictionary meanings for the word semiangle, but we will also tell you about its etymology, its characteristics and you will know how to say semiangle in singular and plural. Everything you need to know about the word semiangle you have here. The definition of the word semiangle will help you to be more precise and correct when speaking or writing your texts. Knowing the definition ofsemiangle, as well as those of other words, enriches your vocabulary and provides you with more and better linguistic resources.

English

Etymology

From semi- +‎ angle.

Pronunciation

  • Audio (US):(file)

Noun

semiangle (plural semiangles)

  1. (geometry) an angle of half a given size
  2. The angle formed between the axis of a cone and a line drawn from the apex of the cone to the edge of its base.
    • 1954, United States. National Advisory Committee for Aeronautics, Report, page 25:
      The results show that the optimum cone semiangle decreases slightly when the Mach number increases and, in the range of Mach numbers considered, is in the range of 22° to 25° for supersonic entrance flow.
    • 1954, M. J. Lighthill, Higher Approximations in Aerodynamic Theory, page 131:
      The author's theory is almost perfect for 5° semiangle, is good for M ≤ 2 with 10° semiangle, and is beginning to be a serious overestimate for 15° semiangle.
    • 1963, Cuyler W. Brooks, Charles D. Trescot, Transonic Investigation of the Effects of Nose Bluntness, Fineness Ratio, Cone Angle, and Base Shape on the Static Aerodynamic Characteristics of Short Blunt Cones at Angles of Attack to 180°, page 10:
      Variations in cone semiangle had no significant effects on the longitudinal stability at the two test Mach numbers .

Anagrams