Apex

//ˈeɪ.pɛks// name, noun

Definitions

Proper Noun
  1. 1
    Acronym of Association of Professional, Executive, Clerical and Computer Staff. British, abbreviation, acronym, alt-of
Noun
  1. 1
    The highest or the greatest part of something, especially forming a point.

    "the apex of the building"

  2. 2
    Acronym of advance purchase excursion (an air fare). abbreviation, acronym, alt-of
  3. 3
    the point on the celestial sphere toward which the sun and solar system appear to be moving relative to the fixed stars wordnet
  4. 4
    The highest or the greatest part of something, especially forming a point.; The highest point in a plane or solid figure, relative to a base line or plane.
  5. 5
    Acronym of accelerated peritoneal equilibration examination. abbreviation, acronym, alt-of
Show 17 more definitions
  1. 6
    the highest point (of something) wordnet
  2. 7
    The highest or the greatest part of something, especially forming a point.; The pointed fine end of something.; The lowest part of the human heart.

    "B.P. 118/68. Grade I diastolic murmur best heard over apex. Patient well and had no complaints referable to heart. Origin of the diastolic murmur is open to conjecture."

  3. 8
    Acronym of acetone peroxide. abbreviation, acronym, alt-of
  4. 9
    The highest or the greatest part of something, especially forming a point.; The pointed fine end of something.; The deepest part of a tooth's root.
  5. 10
    The highest or the greatest part of something, especially forming a point.; The end of a leaf, petal or similar organ opposed to the end where it is attached to its support.
  6. 11
    The highest or the greatest part of something, especially forming a point.; The growing point of a shoot.
  7. 12
    The highest or the greatest part of something, especially forming a point.; The point on the celestial sphere toward which the Sun appears to move relative to nearby stars.
  8. 13
    The highest or the greatest part of something, especially forming a point.; The lowest point on a pendant drop of a liquid.
  9. 14
    The highest or the greatest part of something, especially forming a point.; The end or edge of a vein nearest the surface. US
  10. 15
    The highest or the greatest part of something, especially forming a point.; A diacritic in Classical Latin that resembles and gave rise to the acute.
  11. 16
    The highest or the greatest part of something, especially forming a point.; A diacritic in Middle Vietnamese that indicates /ŋ͡m/.
  12. 17
    The highest or the greatest part of something, especially forming a point.; A sharp upward point formed by two strokes that meet at an acute angle, as in "W", uppercase "A", and closed-top "4", or by a tapered stroke, as in lowercase "t".
  13. 18
    The highest or the greatest part of something, especially forming a point.; The part of a corner where the racing line is nearest the inside of the bend.
  14. 19
    An obstacle for a horse to jump over, consisting of a triangular corner fence.
  15. 20
    The moment of greatest success, expansion, etc. figuratively

    "the apex of civilization"

  16. 21
    The top of the food chain. attributive
  17. 22
    A conical priest cap.

Etymology

Borrowed from Latin apex (“point, tip, summit”).

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