Online Google Dictionary

asterisms 中文解釋 wordnet sense Collocation Usage Collins Definition
Noun
/ˈastəˌrizəm/,
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asterisms, plural;
  1. A prominent pattern or group of stars, typically having a popular name but smaller than a constellation

  2. A group of three asterisks (⁂) drawing attention to following text

  1. (asterism) (mineralogy) a star-shaped figure with six rays that is seen in some crystal structures under reflected or transmitted light
  2. (asterism) (astronomy) a cluster of stars (or a small constellation)
  3. (asterismal) relating to asterisms or constellations
  4. (Asterism (gemology)) In gemmology, an asterism is an optical phenomenon displayed by some rubies, sapphires, and other gems (i.e. star garnet, star diopside, star spinel, etc.) of an enhanced reflective area in the shape of a "star" on the surface of a cabochon cut from the stone. ...
  5. (Asterism (typography)) In typography, an asterism is a rarely used symbol consisting of three asterisks placed in a triangle . It is used to call attention to a passage or to separate subchapters in a book. It is Unicode character .
  6. (Asterism) Four-rayed or six-rayed bands (cat’s eye) caused by light reflecting from needle-like inclusions within some gem crystals. (See Chatoyancy, Cat’s Eye and Tiger’s Eye).
  7. (Asterism) A group of stars that appear to make a recognizable shape, such as the Big Dipper.
  8. (Asterism) Also know as the star effect, this is a reflection effect that appears as two or more intersecting bands of light across the surface of a gem. It is usually created through reflection of light by thin fibrous or needle-like inclusions that lie in various directions. ...
  9. (Asterism) A grouping of stars smaller than a constellation.
  10. (Asterism) A star-like luminous effect caused by reflections of light in some stones, like Star Sapphires and Star Garnets.
  11. (Asterism) (fekonam az nazare loghati mishe gorhi az setare ha)
  12. (Asterism) A constellation. Sometimes misleadingly applied to a zodiacal Sign, but can be applied to the three signs of the same element, considered collectively.
  13. (Asterism) A small grouping of stars in the sky.  Of course, the grouping may be small only from our point of view.  From another spot in the galaxy, the stars may be in opposite corners of the sky.
  14. (Asterism) An optical effect sometimes seen in phenomenal gemstones like star sapphires. A six-ray star should be visible over the dome of a cabochon-cut gemstone when minute needle-inclusions are arranged just so. The star is visible under a spotlight. ...
  15. (Asterism) Character looking like three asterisks, often arranged in a triangle like this: ⁂ (your browser may not show this character properly). Usually used to indicate the presence of a text break. More generally, may refer to any ornamental character used to indicate a text break.
  16. (Asterism) Constellations in general, but more specifically applied to the divisions in the zodiac, which in ancient thought were believed to hold special significance. ...
  17. (Asterism) Light rays form star-like effect in certain cabochon cut gemstones. They can be four-rayed, 6-rayed or (rarely) 12.
  18. (Asterism) Pattern of apparently neighbored, but physically unrelated stars, formed by a chance alignment of stars at different distances which happen to be situated in about the same direction.
  19. (Asterism) The property which is responsible for the intersecting chatoyant bands that result in the star, hence the prefix 'star' for these stones.
  20. (Asterism) The star effect that you see in star sapphires or rubies, for example. This is usually caused by tiny silk rutile inclusions in the stone. The effect can be four- or six- rayed.
  21. (Asterism) The star like effect are a reflection of light from the inclusion, seen only on suitable stones, which are cut to cabochons with the inclusions in the correct directions.
  22. (asterism) A star effect displayed by certain gems with intersecting nclusions.
  23. (asterism) Effect exhibited on some minerals (usually only in polished cabochons) causing it to reflect a billowy, star-like formation of concentrated light which moves around when the mineral is rotated. ...
  24. (asterism) any prominent star pattern that isn't a whole constellation (such as the Big Dipper).
  25. Asterism is the name for the star shape light that reflects from certain gemstones.